Lesson: Slope and Rate of Change Mathematics • 8th Grade

In this lesson, we will learn how to interpret the slope of a straight line as the rate of change of two quantities.

Lesson Video

Lesson Explainer

Sample Question Videos

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Lesson Worksheet

Q1:

Which of the following functions has a rate of change that is more rapid than the function shown in the graph?

Q2:

Determine which of the given functions has the greatest rate of change.

(a)

(b) a function where the input is multiplied by 3 and subtracted from 4

(c)

(d)

Q3:

At an amusement park, a booth was selling soft drinks. By 2:00 pm, 37 soft drinks were sold, and, by 4:00 pm, 69 were sold. Assuming that the booth was selling at a linear rate during this period, determine the slope of the line representing this information.