Linear Equations and Slope Pre Test

In order to join an online learning community, there is a $20 startup fee and a $5 monthly fee. Write an equation in slope-intercept form that models this situation.

• y = 20x + 5

• y = 5x +20

A T-shirt design company charges your team a startup fee of $25 to create the team's design. Each t-shirt printed with your design costs an additional $8. The equation for this situation is y = 8x + 25. Interpret the y-intercept in context.

• The additional fee of $8.

• The starting fee of $25.

• The additional fee of $25.

• The starting fee of $8.

Bob has $150 in his savings account and saves $40 per month.  Which equation represents the amount Bob has in his account after x months?

• y = 150 + 40

• y = 40x + 150

• y = 150x + 40

When graphing an equation, ALWAYS start with the _________.

• Y-intercept

• Slope

• x - axis

Vertical or horizontal?
x = 4

• vertical 

• horizontal

• neither

What is the correct equation in 
Slope-Intercept Form?
(y = mx +b)

• x = 4

• y = 4 

What is the correct equation?

• x = 5

• y = 5

• x = - 5

• y = -5 

An equation with a graph that is a straight line is a ______ equation.

The rate of change between any two points on a line. The ratio of the rise, or vertical change, to the run, or horizontal change.

• slope-intercept form

• point-slope form

• slope

• constant of variation