Bluebook SAT Test Digital SAT Math Practice 5

Question 1

A line has equation 3x − 4y = 12. What is the y-intercept?

Accepted Answer

(0, −3)

Answer

Setting x = 0: −4y = 12, so y = −3; the y-intercept is (0, −3).

Question 2

If h(x) = 2x + 5 and g(x) = x², what is h(g(3))?

Accepted Answer

23

Answer

g(3) = 9; then h(9) = 2(9) + 5 = 23.

Question 3

A rectangular room is 15 feet long and 12 feet wide. What is the area of the room?

Accepted Answer

180 sq ft

Answer

Area = length × width = 15 × 12 = 180 square feet.

Question 4

Which inequality is represented by the number line where all values less than or equal to −2 are shaded?

Accepted Answer

x ≤ −2

Answer

Shading at and to the left of −2 with a closed circle represents x ≤ −2.

Question 5

The product of a number and 7 is 56. What is the number?

Accepted Answer

8

Answer

7n = 56, so n = 8.

Bluebook SAT Practice Test