Exploring Slope and Rate of Change

What is the main goal of today's lesson?

• To practice multiplication

• To learn about fractions

• To study geometry

• To understand rate of change and slope

Tags

CCSS.8.EE.B.5

What does the rate of change compare?

• The sum of two input values

• The difference between two input values

• The difference between two output values

• The difference between two output values to the difference between the corresponding input values

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

In the context of rate of change, what is the output value typically represented by?

• X

• Y

• Z

• W

Tags

CCSS.HSF-LE.A.1B

How do you determine if the rate of change is constant?

• By checking if the ratios of Y over X are the same

• By adding all the X values

• By subtracting the smallest Y value from the largest

• By multiplying the X and Y values

Tags

CCSS.HSF-LE.A.1B

What is the rate of change if the Y values change by 6, 9, 3, and 6, and the X values change by 2, 3, 1, and 2?

• 2

• 3

• 5

• 4

Tags

CCSS.HSF-LE.A.1B

What is a slope in the context of rate of change?

• A variable rate of change

• A constant rate of change that creates a straight line

• A random change in values

• A curve on a graph

Tags

CCSS.8.EE.B.5

What does a constant slope indicate about a function?

• It is a non-linear function

• It is a linear function

• It has no relationship between X and Y

• It is a quadratic function

Tags

CCSS.HSF-LE.A.1B

In graphing, what is the independent variable usually represented by?

• W

• Y

• X

• Z

If a person earns $8.50 per hour, what is the slope of the earnings to hours graph?

• 8.5

• 10

• 7.5

• 9

Tags

CCSS.8.EE.B.5

What does a straight line on a graph indicate about the rate of change?

• It is constant

• It is increasing

• It is decreasing

• It is variable

Tags

CCSS.HSF-LE.A.1B