Slope, Rate of Change, Direct Variation

Which of the following are ways to find the rate of change?

• change in y over change in x

• rise over run

• subtract y coordinates over subtract x coordinates

• all of the above

Calculate the rate of change.

• 6

• 1/6

• 10

• 4

What is the constant of proportionality for this table?

• 1/9

• 9

• 8

• 1/8

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

What definition represents rate of change?

• A ratio that

  compares the amount of change in a

  dependent variable to the amount of

  change in an independent variable.

• Any number that

  can be expressed as a ratio of two

  integers.

A ratio that

compares the amount of change in a

dependent variable to the amount of

change in an independent variable

• Run

• Slope-intercept form

• Rate of change

• Rise

A ratio that compares the amount of change in a dependent variable to the amount of change in an independent variable?

• Rise

• y-intercept

• Rate or change

• Slope-interact form

What does this formula stand for? Select all that apply

• Rate of change

• Vertical change over horizontal change

• Change in y over change in x

• Change in x over change in y

• Horizontal change over vertical change

Slope is the (a)   of change of a line.

• rate

• positive

• intercept

What is the slope?

• $2/1 mile drive

• $1/2 miles driven

• 2 miles driven/$1 

• 1 mile driven/$2