Analyzing Linear Functions

Select the term that matches the definition: The numerical value that is equivalent to the ratio of two proportional quantities (equal to slope).

• constant of proportionality

• direct variation

• parallel

• slope-intercept form

• y-intercept

Select the term that matches the definition: The point where the graphs of two or more equations cross or meet.

• point of intersection

• solution to a system of equations

• system of equations

What is the point of intersection for the two lines?

• (2, 4)

• (2, -4)

• (-2, 4)

• (4, 2)

Find the x and y intercepts
4x - 5y = 40

• x intercept is 10 
  y intercept is 8

• x intercept is 10
  y intercept is 20

• x intercept is 8
  y intercept is 10

• x intercept is 10
  y intercept is -8

What is the x-intercept of the following graph?

• 0

• 6

• -4

• 2/3

Name the x- and y-intercepts for the equation:
2x - y = 6

• (0, 3) and (-6, 0)

• (0, -3) and (-6, 0)

• (3, 0) and (0, -6)

• (-3, 0) and (0, -6)

Find the value of y when x = 2.

• 2

• 6

• 7

• 8

Find the slope of the line.

• Undefined

• 0

• 1/1

• -1/1

Which equation represents the graph?

• x = 2

• y = 2

• y = 2x

• y = undefined

Which equation is written in STANDARD form?

• y = 1/2x + 2

• y - 3 = -5(x + 2)

• -7x + 2y = 9

• 3x + 2 = y