Slope and Direct Variation with Transformation

Referring to a change in the slope when the incline of the line is either a poistive increase or negative decrease.

• Vertical/Horizontal Translation (Shift)

• Reflection

• Steepness

• Transformation

What is the meaning of the slope shown in the graph?

• For each month of the membership, the cost increases by $25

• For each $1 the cost increases, the time increases by 25.

• For each month, the cost of the membership increases by $75.

• For every dollar spent on the membership, the time increases by by 10.

Find the slope of the line.

• 2/5

• 5/2

• 1/2

• 2

Is the relationship shown on the graph directly proportional?

• Yes

• No

Choose all of the true statements about the graph:

• The relationship shown is directly proportional.

• The slope is 3.

• The graph includes the point (4, 12)

• When you double the x value, the y value doubles.

Is the relationship shown directly proportional?

• No

• Yes, the slope is 1

• Yes, the slope is 2

Is the relationship between the depth and the gallons directly proportional?

• Yes, the slope is 2

• Yes, the slope is 1/2

• No.

Find the slope.

• 2

• 1/2

• 7/4

• 4/7

Find the slope between the points.

• 0

• undefined

• 4/9

• 9/4

Direct Proportion or Not?

• Direct Proportion

• Not