Characteristics of Linear Functions

^{What is the x- intercept of the line?}

• (0,-2)

• (0,-1)

• (-1,0)

• (-2,0)

Where is the function positive?

• (6, ∞)

• (-∞, 6)

• (0, ∞)

• (-∞, 0)

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept?

• (0,7)

• (0, 0)

• (0,1)

• (0, 2)

What is the rate of change for the following graph?

• 80

• 20

• 40

• 160

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Identify the slope of the line with the equation y = 3x + 2.

• 1

• 7

• 5

• 3

Tags

CCSS.8.EE.B.5

Write the equation of the line with a slope of 1/2 and a y-intercept of 3.

• y = 1/2x - 3

• y = (1/2)x + 3

• y = 2x + 3

• y = 3x + 1/2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Select the choice which shows what the graph of the line represented by the equation y = -x + 4 looks like.

• The graph of the line y = -x + 4 is a straight line with a y-intercept at (0, 4) and a slope of -1.

• The graph of the line y = -x + 4 is a horizontal line

• The graph of the line y = -x + 4 is a parabola

• The graph of the line y = -x + 4 is a vertical line

Solve the problem: A linear function has a slope of 4 and passes through the point (2, 6). Find the equation of the line.

• y = 3x + 5

• y = 4x - 2

• y = 6x - 2

• y = 2x + 4

Using a linear function, solve the problem: A car rental company charges a flat fee of $50 plus $20 per day for renting a car. Write the equation to represent the total cost (C) for renting a car for d days.

• C = 50d + 20

• C = 20d + 50

• C = 10d + 100

• C = 30d + 50

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the y-intercept of the line?

•  (0,¹/₂)

• (0,1)

• (0, ^-1/2)

• (0, -1)