Linear Functions Unit Test: Algebra 1 Test

Which of the following sets of ordered pairs represents a function?

• {(1, 2), (1, 3), (2, 4)}

• {(2, 5), (3, 5), (4, 6)}

• {(5, 1), (6, 2), (5, 3)}

• {(1, 1), (2, 2), (3, 4), (2, 5)}

What is the slope of the line passing through the points (3, 7) and (5, 11)?

• 2

• -2

• 1/2

• -1/2

Which of the following equations represents a horizontal line?

• x = 5

• y = -3

• y = x + 2

• x + y = 0

What is the y-intercept of the line 2x + 3y = 6?

Which line is parallel to y = 4x - 1?

• y = -1/4x + 2

• y = 1/4x - 3

• y = -4x + 5

• y = 4x + 7

Given f(x) = 3x - 5, find f(4).

Graph the equation y = -2x + 3?

Find the slope of the line shown in the graph below.

Convert the equation 4x - 2y = 8 to slope-intercept form.

Find the x- and y-intercepts of the line y = 1/2x - 4.

• x-intercept: (8, 0); y-intercept: (0, -4)

• x-intercept: (0, -4); y-intercept: (8, 0)

• x-intercept: (4, 0); y-intercept: (0, -2)

• x-intercept: (0, 4); y-intercept: (-8, 0)