Solve for x: |x^2 - 4| = 3.

x = sqrt(7), x = -sqrt(7), x = 1, x = -1 (reject x^2=1 gives 1-4 = -3 works)

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PERT math practice test

Subtest 1 · elementary–intermediate algebra

PERT Math Practice Test

Thirty PERT-style Math questions, with the explanation on every answer. Adaptive on the real test, so honest answers matter more than fast ones.

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Question 1 30 in this set

Mathematics · Easy

Which point lies on the line y = 3x - 4?

Pick an answer to see the explanation.

No questions match those filters — loosen one to keep drilling.

What the Math subtest actually tests

One Math subtest spanning elementary through intermediate algebra: linear equations and inequalities, evaluating and simplifying expressions, quadratics, literal equations, polynomial arithmetic, the coordinate plane, and systems of two linear equations. Many colleges expect the work by hand or with an on-screen tool, and because it adapts, your early answers steer how hard the rest gets.

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Ready for the concepts, not just the reps? Read the PERT math study guide, or widen out to the full 90-question practice test.