Chapter 9 Test Review

Do these ordered pairs represent a function?

{(-2,10), (0,1), (2,4), (3,5), (-2,1), (2,4)}

• Yes

• No

Find the function value:

g(x) = 5x² - 5, if g(-4)

• -395

• 300

• 80

• 75

Find the value of x.

• 133

• 47

• 38

• 180

Angle 5 and angle 6 are supplementary. The measure of angle 5 is 6 more than twice the measure of its supplement, measure of angle 6. Find the measure of angle 6.

• 122

• 58

• 174

• 90

State the slope and the y-intercept of the equation.

6x - 2y = -4

• Slope: 3; Y-Intercept (0, -2)

• Slope: -3; Y-Intercept (0, -2)

• Slope: 3; Y-Intercept (0, 2)

• Slope: -3; Y-Intercept (0, 2)

Find the x- and y-intercepts for the equation:

-3x + y = 6

• (-2, 0) (0, 6)

• (-2, 0) (0, -6)

• (2, 0) (0, 6)

• (2, 0) (0, -6)

The line x = 4 is what type of line? What is its slope?

• horizontal, slope = 0

• vertical, slope = 0

• horizontal, slope = undefined

• vertical, slope = undefined

Angles R and S are complementary. The ratio of their measures is 3:7. Find the measure of Angle R.

• 90

• 27

• 63

• 10

Angles R and S are complementary. The ratio of their measures is 3:7. Find the measure of angle S.

• 90

• 27

• 63

• 10

A triangle has angle measurements: 2x, 4x, and 4x. Classify the triangle by its angles and its sides.

• acute, scalene

• obtuse, isosceles

• acute, isosceles

• acute, equilateral