Review linear functions

The slope of the line that passes through the points (3, -2) and (-1, 2) is which of the following?

• -4

• 4

• ^-1

• 1

A line with a slope of 4 passes through the point (1, 9). Which of the following is the equation of the line?

• y = 5x + 4

• y = 4x + 5

• y = 9x + 1

• y = x + 4

A rental car company charges a one-time fee of $15 plus $0.35 per mile driven. Which of the following equations models the charge, c, for renting a car based on the number of miles, m, driven?

• c = 15m + 35

• c = 0.35m + 15

• c = 0.15m + .35

• c = 50m

Which of the following equations given below represents a horizontal line that passes through the point (3, -2)?

• x = 3

• x = - 2

• y = 3

• y = - 2

Which of the following is the equation of the line shown graphed below?

• y = 2x - 2

• y = 2x + 4

• y = 1/2x - 2

• y = 1/2x + 4

Which of the following points lies on the graph of the line y = 3x + 4?

• (-4, 16)

• (3, 9)

• (1, 7)

• (-1, 0)

The cost of airing a commercial on the radio is modeled by the equation y = 50x + 100, where x is the number of times the commercial is aired. Based on this equation, which statement is true?

• The commercial costs $100 to produce and $50 each time it is aired.

• The commercial costs $0 to produce and $100 each time it is aired.

• The commercial costs $150 to produce and there is no charge when it is aired.

• The commercial costs $50 to produce and can air a maximum of 100 times.

What is the rate of change for the table?

• $-\frac{3}{4}$

• $-\frac{4}{3}$

• $2$

• $-4$

What is the slope in the equation y=2x + 3?

• 2
• 3
• 5
• Cannot be Determined 

Tags

CCSS.8.EE.B.5

What is the y-intercept in the equation y= -2x + 5

• -2
• 3
• 5
• Cannot be Determined

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6