Slope of Graphs

Multiple Choice

Recall:

Which equation matches the graph?

• y= 1x + 3
• y= 1x
• y= -1x + 3
• y= -1x

​"per" = rate of change or slope

y-intercept is the initial value or starting point

Graphing

I Do:

Graph

𝑦 = 𝑥 − 2

on the coordinate plane.

Graphing

We Do:

Supplies for the car wash cost $15.

The booster club is charging $4 per car.

Graph the relationship between the amount of

money earned and the number of cars washed.

Graphing

You Do:

The table shown represents a linear relationship.

Use the table to graph the relationship.

​"per" = rate of change or slope

y-intercept is the initial value or starting point

Open Ended

What challenges did you experience with this lesson?

Graphing

Exit Ticket:

Rodnika has a saltwater fish tank. She knows the water

in the tank must have the right amount of salt in order

for the fish to survive. To get the proper salinity,

Rodnika mixes the water and salt according to the

measurements shown in the table.