Linear 3.1-4

Which of the following functions are linear? Choose all that apply.

• y = 4x - 7

• y = 6x² - 1

• y = -x +5

• y = -7

Tags

CCSS.HSA.REI.D.10

Which of the following equations describe a line with an x-intercept of 7?

• 3x + 2y = 14

• -2x - 7y = -14

• -4x + 2y = -28

• x = 7

Stanley is running a 5-mile race. He runs 1 mile every 7 minutes. Stanley’s distance from the finish line after x minutes is represented by the function. Find the x-intercept.

Stanley is running a 5-mile race. He runs 1 mile every 7 minutes. Stanley’s distance from the finish line after x minutes is represented by the function. Find the y-intercept.

What describes the slope of the line shown on the graph below?

• positive

• negative

• 0

• undefined

What is the slope of the line below?

Which of the equations have a positive slope? Select all that apply.

• 2x + 2y = 2

• y = -.66x

• -x + 2y + 4 = 0

• 9.5x + 0.6y = 0

Find the slope of -8x+5y=0 . Write your answer as a fraction.

What is the x-intercept of the line graphed above?

What is the y-intercepts of the line graphed above?