GED Math Test #7 2

Question 1

Factor completely: x² − 9

Accepted Answer

(x − 3)(x + 3)

Answer

(x − 3)²

Answer

(x + 3)²

Answer

(x − 9)(x + 1)

Question 2

A right triangle has legs of 6 and 8. What is the length of the hypotenuse?

Accepted Answer

10

Answer

12

Answer

14

Answer

7

Question 3

If f(x) = 2x² − 3x + 1, what is f(−2)?

Accepted Answer

15

Answer

3

Answer

11

Answer

−3

Question 4

A store offers a 15% discount on a $120 item. After the discount, sales tax of 8% is applied. What is the final price?

Accepted Answer

$110.16

Answer

$102.00

Answer

$109.80

Answer

$105.84

Question 5

What is the perimeter of a regular hexagon with a side length of 7 cm?

Accepted Answer

42 cm

Answer

35 cm

Answer

49 cm

Answer

28 cm

Question 6

The equation y = −3x + 6 represents a line. What is its y-intercept?

Accepted Answer

6

Answer

−3

Answer

2

Answer

3