Slope Formula and Rate of Change

What is the slope formula?

• 
• 
• 
• 

What is the slope of the line that passes through the points (4, 9) and (1, 6)?

• 1

• -3

• 3

• -1

What is the slope of the line that passes through the points (14, -8) and (7, -6)?

• 2/7

• -2/7

• -7/2

• 7/2

Find the rate of change.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

What is the rate of change of the distance in feet below sea level with respect to time that the submarine traveled?

Mathematical Equivalence

ON

A ratio that

compares the amount of change in a

dependent variable to the amount of

change in an independent variable

What does "m" stand for in the slope formula?

• y axis

• slope

• y coordinate

• x coordinate

Use the slope formula to find the slope of a line passing through the points (3, 7) and (5, 11).

• 4

• 2

• 8

• 6

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.

The slope formula is:

• y₁ - y₂

  _________

  x₁ - x₂

• y₂ - y₁

  __________

  x₂ - x₁

• X₂ - X₁

  __________

  Y₂ - Y₁