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From your SAT reviewQuadratic modelsReview the vertex, then try a fresh problem.
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SAT · Advanced math · quadratic models

The function h(t) = −5t² + 30t + 8 models the height, in meters, of an object t seconds after launch. What is the maximum height of the object?

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This is an original practice question. Full exams cover more skills and question formats.

A Desmos shortcut for averages.

When a question gives you a list of scores, type the list once. Let Desmos do the adding and dividing.

Type the list, then mean(L).

L = [12, 17, 19, 24, 27, 31, 34, 40]mean(L) = 25.5
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Questions about Zenith

Can I try it without an account?

Yes. Answer the sample above, check the explanation, and try a different exam from the menu.

Are these official exam questions?

No. Zenith writes its own questions and explanations. Some math exercises use the same setup with different numbers. Practice results are not official exam scores.

Do all exams adapt like the SAT?

No. Zenith’s full-length SAT tests adapt between modules. Other exams use their own sections and timing.

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zenith
/ˈziː.nɪθ/noun
Meaning
  1. The highest point reached; a peak.
  2. The point in the sky directly overhead.

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