Bluebook SAT Test Digital SAT Math Practice 1

Question 1

If 3x + 7 = 22, what is the value of 6x + 5?

Accepted Answer

35

Answer

Solving 3x + 7 = 22 gives x = 5, so 6x + 5 = 30 + 5 = 35.

Question 2

A scatterplot shows a strong positive linear association between study hours and test scores for 30 students. Which conclusion is best supported?

Accepted Answer

Students who study more hours tend to score higher on the test.

Answer

A positive association means higher study hours correlate with higher scores, but association does not imply causation.

Question 3

What is the solution set of the inequality 2(x − 3) > 4x − 2?

Accepted Answer

x < −2

Answer

Expanding gives 2x − 6 > 4x − 2, so −4 > 2x, meaning x < −2.

Question 4

The function f(x) = x² − 6x + 8 has zeros at which values of x?

Accepted Answer

x = 2 and x = 4

Answer

Factoring gives (x − 2)(x − 4) = 0, so the zeros are x = 2 and x = 4.

Question 5

In a right triangle, the two legs have lengths 9 and 12. What is the length of the hypotenuse?

Accepted Answer

15

Answer

By the Pythagorean theorem, c² = 9² + 12² = 81 + 144 = 225, so c = 15.

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