Key Attributes of Linear Functions

Damien graphed the following linear function on an (x, y) coordinate plane. f(x) = 6x + 12.6 What is the x-intercept of the graph of this function?

• -6.6

• -2.1

• 6

• 12.6

What is the range of the graph?

• 1 ≤ x ≤ 5

• 1 < x < 5

• 1 ≤ y ≤ 5

• 1 < y < 5

What is the y-intercept?

• (6, 0)

• (0, 6)

• (-3, 0)

• (0, -3)

Identify the function's x- and y-intercepts.

• x-int (3,0) and y-int (0,1)

• x-int (0,3) and y-int (1,0)

• x-int (1,3) and y-int (3,1)

• x-int (3,0) and y-int none

What are the domain and the range of the function?

• domain : All Real #'s and range : All Real #'s

• domain: All Real #'s and range: y > -1

• domain x > -6 and range All Real #'s

• domain : X < 6 and range: y < 3

What is the y-intercept shown on the graph?

• (0, -2)

• (3, 0)

• (0, 3)

• None of these.

What type of slope does the graph have?

• Zero

• Undefined

• Negative

• Positive

What type of slope does the following graph have?

• Postive

• Negative

• Zero Slope

• Undefined

Find the slope of the line that passes through (10, -8) and (1, 12).

• 20/9

• -20/9

• 4/9

• 9/4

Find the slope

• -5/7

• 7/5

• -7/5

• 5/7