PSAT-øveprøve
Testens spørgsmål er på engelsk.
Det her er en gratis smagsprøve på 15 spørgsmål i stil med den digitale PSAT/NMSQT. Den blander Reading and Writing-spørgsmål om ord i kontekst, tekstens opbygning, brug af evidens, overgange og grammatik med Math-spørgsmål om algebra, videregående matematik, dataanalyse og geometri, og den bruger multiple choice, vælg alle der passer og udfyld det tomme felt. Svar på alle 15 spørgsmål, se så din score og læs forklaringen til hvert spørgsmål.
A team of ecologists expected the restored wetland to fill with familiar species within a single season. Instead, the pace of recovery proved ______: five years in, only a third of the plant species catalogued before the site was drained had come back. Which choice completes the text with the most logical and precise word?
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1. A team of ecologists expected the restored wetland to fill with familiar species within a single season. Instead, the pace of recovery proved ______: five years in, only a third of the plant species catalogued before the site was drained had come back. Which choice completes the text with the most logical and precise word?
- A. immediate
- B. gradual
- C. erratic
- D. predictable
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Svar: B. gradual
The second sentence contrasts a fast expectation with a slow result, so the blank needs a word meaning slow. Erratic would mean irregular rather than slow, and the text describes steady partial progress, not an unstable pattern.
2. In the 1930s a small group of highway engineers argued that concrete roads should be poured in short slabs separated by regular joints. Most of the profession, which preferred long continuous pours, ignored the idea. Nearly every concrete highway built today uses short slabs and joints. Which choice best describes the overall structure of the text?
- A. It presents a proposal, notes that the proposal was dismissed, and then reports that it later became standard practice.
- B. It describes a problem and then lists several competing solutions that engineers have proposed for it.
- C. It compares the careers of two groups of engineers and explains why one group earned more recognition.
- D. It defines a technical term and then gives several examples of the term being used incorrectly.
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Svar: A. It presents a proposal, notes that the proposal was dismissed, and then reports that it later became standard practice.
Text structure questions ask what the sentences do, not what they are about, and here the three sentences move from proposal to rejection to acceptance. No competing solutions are listed and no term is defined, so those options describe a text that was never written.
3. A student club claimed that a new protected bike lane on Third Street had made cycling there safer. A researcher counted reported collisions involving cyclists on Third Street for the two years before the lane opened and the two years after. Which finding, if true, would most directly support the club's claim?
- A. Reported collisions involving cyclists on Third Street fell by half after the lane opened.
- B. The number of cyclists riding on Third Street rose sharply after the lane opened.
- C. Drivers surveyed said they felt more confident driving on Third Street after the lane opened.
- D. Collisions fell by half on a nearby street that never received a bike lane.
Vis svar og forklaring
Svar: A. Reported collisions involving cyclists on Third Street fell by half after the lane opened.
The claim is about safety, so the supporting evidence has to be about harm, and fewer collisions on that street is the only option that measures it. More riders measures popularity, driver confidence is an opinion, and a matching drop on a street with no bike lane would actually weaken the claim by pointing to some other cause.
4. A city measured air quality at four sites for one year. The two sites beside the highway recorded higher average particulate levels than the two sites in residential neighborhoods, and particulate levels at all four sites were highest during the winter months. Which statements are supported by the data as described?
Vælg alle, der passer.
- A. Average particulate levels were higher at the highway sites than at the residential sites.
- B. Particulate levels changed with the season at every site that was measured.
- C. Highway traffic was the only source of particulates anywhere in the city.
- D. Winter readings were the highest of the year at all four sites.
- E. Residential neighborhoods in other cities would show the same yearly pattern.
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Svar: A. Average particulate levels were higher at the highway sites than at the residential sites., B. Particulate levels changed with the season at every site that was measured., D. Winter readings were the highest of the year at all four sites.
A supported statement only restates what the data actually shows, and here that is a highway versus residential difference plus a winter peak at every site. The other two options go past the data: one names a single cause the measurements cannot establish, and the other generalizes to cities that were never studied.
5. Which of the following sentences are punctuated correctly?
Vælg alle, der passer.
- A. Because the storm knocked out power, the museum closed early.
- B. The museum closed early, the storm had knocked out power.
- C. The storm knocked out power; the museum closed early.
- D. The museum, which closed early on Friday, reopened on Saturday.
- E. The museum closed early on Friday and, reopened on Saturday.
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Svar: A. Because the storm knocked out power, the museum closed early., C. The storm knocked out power; the museum closed early., D. The museum, which closed early on Friday, reopened on Saturday.
A comma alone cannot join two complete sentences, which is why the second option is a comma splice and the semicolon version is fine. The fourth option is correct because a nonessential clause takes a comma on both sides, and the last option puts a comma between a conjunction and the verb it introduces, which splits the sentence for no reason.
6. Choose the transition that fits.
Sea otters eat large numbers of sea urchins, and sea urchins graze on kelp. _____, kelp forests have grown back along stretches of coast where otters have returned.
Muligheder for felt 1: However, Therefore, Nevertheless, In contrast
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Svar: Therefore
The first sentence sets up a chain of cause and effect, and the second sentence states its result, so the blank needs a transition that signals a consequence. However, nevertheless and in contrast all signal a reversal, and nothing in the second sentence contradicts the first.
7. If 3(x - 4) = 2x + 5, what is the value of x?
- A. 7
- B. 11
- C. 17
- D. 21
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Svar: C. 17
Distribute first to get 3x - 12 = 2x + 5, subtract 2x from both sides to get x - 12 = 5, then add 12 to get x = 17. Checking is quick and worth the seconds: 3(17 - 4) = 39 and 2(17) + 5 = 39.
8. A tank holds 120 gallons of water and drains at a constant rate of 8 gallons per minute. Which equation gives the number of gallons g remaining after m minutes?
- A. g = 120 + 8m
- B. g = 120 - 8m
- C. g = 8m - 120
- D. g = 8(120 - m)
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Svar: B. g = 120 - 8m
In a linear model the starting amount is the constant and the constant rate is the coefficient of the variable, and draining makes that rate negative. A quick sanity check confirms it: at m = 0 the tank holds 120 gallons, and at m = 15 it holds 120 - 120 = 0 gallons.
9. A researcher randomly selected 200 students from a high school of 1,400 students and found that 60 percent of the students surveyed take the bus to school. Which conclusions are appropriate?
Vælg alle, der passer.
- A. About 840 students at this high school take the bus.
- B. The result can reasonably be generalized to all students at this high school.
- C. The result can reasonably be generalized to all high school students in the country.
- D. Exactly 120 of the students surveyed take the bus.
- E. Taking the bus causes students to arrive at school on time more often.
Vis svar og forklaring
Svar: A. About 840 students at this high school take the bus., B. The result can reasonably be generalized to all students at this high school., D. Exactly 120 of the students surveyed take the bus.
A random sample supports estimates about the population it was drawn from, so 60 percent of 1,400 gives roughly 840 bus riders at this school, and 60 percent of the 200 surveyed is exactly 120 students. The sample says nothing about other schools, and a survey with no comparison and no experiment cannot show that one thing causes another.
10. Complete the sentence.
A jacket originally priced at 80 dollars is on sale for 25 percent off. The sale price is _____ dollars.
Muligheder for felt 1: 20, 55, 60, 75
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Svar: 60
Taking 25 percent off leaves 75 percent of the price, so multiply once: 0.75 times 80 equals 60. The trap answer is 20, which is the discount itself rather than what you pay.
11. What are the solutions to x squared minus 5x minus 14 = 0?
- A. x = -7 and x = 2
- B. x = -2 and x = 7
- C. x = -14 and x = 1
- D. x = 2 and x = 7
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Svar: B. x = -2 and x = 7
Look for two numbers that multiply to -14 and add to -5, which are -7 and 2, so the equation factors as (x - 7)(x + 2) = 0. Setting each factor to zero gives x = 7 and x = -2, and both check out: 49 - 35 - 14 = 0 and 4 + 10 - 14 = 0.
12. A colony of 400 bacteria doubles in size every 3 hours. Which function gives the population P after t hours?
- A. P(t) = 400 times 2 to the power of 3t
- B. P(t) = 400 times 2 to the power of t/3
- C. P(t) = 400 times 3 to the power of t/2
- D. P(t) = 400 + 2t/3
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Svar: B. P(t) = 400 times 2 to the power of t/3
In an exponential model the base is the growth factor and the exponent counts how many growth periods have passed, so t hours contain t/3 doubling periods. Test it at t = 3: the exponent is 1 and the population is 800, which is one doubling. The first option multiplies the exponent by 3 instead of dividing by it, so at t = 3 it would give 400 times 2 to the ninth, or 204,800.
13. Complete the sentence.
In a right triangle, one of the two acute angles measures 35 degrees. The other acute angle measures _____ degrees.
Muligheder for felt 1: 45, 55, 65, 145
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Svar: 55
The three angles of any triangle add to 180 degrees, and the right angle already uses 90 of them, so the two acute angles must add to 90. That makes the missing angle 90 minus 35, or 55 degrees.
14. A circle has a circumference of 12 pi. What is the area of the circle?
- A. 6 pi
- B. 12 pi
- C. 36 pi
- D. 144 pi
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Svar: C. 36 pi
Circumference is 2 pi r, so 2 pi r = 12 pi gives a radius of 6. Area is pi r squared, which is pi times 36, or 36 pi, and the reference sheet inside the testing app lists both formulas if you blank on them.
15. In right triangle ABC, the right angle is at C, the hypotenuse AB has length 13, and side BC has length 5. What is the value of sin A?
- A. 5/13
- B. 12/13
- C. 5/12
- D. 13/5
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Svar: A. 5/13
Sine is the side opposite the angle divided by the hypotenuse, and the side opposite angle A is BC, which gives 5/13. Note that 12/13 is cos A and 5/12 is tan A, since the third side works out to 12 by the Pythagorean theorem.
Hvad den digitale PSAT/NMSQT indeholder
PSAT/NMSQT tages på en computer eller tablet i College Boards Bluebook-app, ikke på papir. Den har to dele. Reading and Writing giver dig 54 spørgsmål på 64 minutter, og Math giver dig 44 spørgsmål på 70 minutter, hvilket er cirka 2 timer og 14 minutters prøvetid plus en pause mellem de to dele. Samlede scorer går fra 320 til 1520.
Hver del er delt i to moduler, og prøven er adaptiv på delniveau. Hvordan du klarer det første modul afgør, om det andet modul i den del består af sværere eller lettere spørgsmål, så et andet modul, der føles let, er ikke automatisk dårligt nyt, og et der føles brutalt, er ofte et tegn på, at det første modul gik godt. Reading and Writing-spørgsmål har hver deres egen korte tekst, som regel et sted mellem 25 og 150 ord, og de er grupperet efter område: ord i kontekst og tekstens opbygning, brug af evidens og slutninger, overgange og retorisk revision, og standard English conventions. Math dækker algebra, videregående matematik, problemløsning og dataanalyse samt geometri og trigonometri. Cirka en fjerdedel af matematikspørgsmålene beder dig skrive dit eget svar i stedet for at vælge et, lommeregner er tilladt i hele matematikdelen, et formelark er indbygget i appen, og der trækkes ikke fra for et forkert svar, så lad aldrig et stå tomt.
Nogle ting varierer og er værd at tjekke med din skole. Der er tre prøver i den familie: PSAT 8/9, PSAT 10 og PSAT/NMSQT. Kun PSAT/NMSQT taget i ellevte klasse kan kvalificere en elev til National Merit, så den samme prøve taget i tiende klasse er ren øvelse. Skolerne vælger selv deres prøvedato inden for de perioder, College Board tilbyder, og de Selection Index-grænser, der bruges til National Merit, fastsættes hver for sig per delstat og flytter sig fra år til år, så et tal du læser i et forum, kan være fra den forkerte delstat eller det forkerte år.
Sådan bruger du smagsprøven
De 15 spørgsmål spejler den rigtige prøves indholdsfordeling, ikke dens længde eller dens opførsel. Fem spørgsmål dækker Reading and Writing-områderne, og ti dækker de fire matematikområder. Denne smagsprøve er ikke adaptiv, så hvert spørgsmål du ser, er det samme, som alle andre ser, og en kort quiz kan ikke give dig en score ud af 1520.
Tag den i ét stræk uden noter. På den rigtige prøve svarer tempoet til lidt over et minut per Reading and Writing-spørgsmål og lidt over halvandet minut per matematikspørgsmål, så prøv at holde dig tæt på det her. Læs derefter forklaringen til hvert spørgsmål, også dem du svarede rigtigt på, for et heldigt gæt og et solidt svar ser ens ud på en scoreskærm.
Gennemgå efter område frem for efter spørgsmål. Hvis du missede spørgsmålet om overgange og spørgsmålet om tegnsætning, er det næste nyttige skridt en runde med sætningsgrænser og bindeord, ikke at lære de to spørgsmål udenad. I matematik skal du regne enhver opgave, du missede, om på blankt papir, før du læser løsningen igen. At læse en gennemregnet opgave føles som læring og er det sjældent.
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Skrevet af StudyPDF-teamet. Sidst opdateret 2026-08-19.