Pre-Algebra - Ch. 6.3 Linear Functions Pages 263-264

Problem #4

The table shows a familiar linear pattern from geometry. Select the function that relates y to x.

Problem #4

The table shows a familiar linear pattern from geometry. What do the variables x and y represent?

x represents - ______

• x represents the height of the right triangle

• x represents the length of the base of the right triangle

• x represents the area of the right triangle

• x represents the hypotenuse of the right triangle

Problem #4

The table shows a familiar linear pattern from geometry. What do the variables x and y represent?

y represents - ______

• y represents the hypotenuse of the right triangle

• y represents the height of the right triangle

• y represents the area of the right triangle

• y represents the length of the right triangle

Problem #6

Use the graph or table to write a linear function that relates y to x.

Problem #8

Use the graph or table to write a linear function that relates y to x.

Problem #10

Use the graph or table to write a linear function that relates y to x.

Problem #12 a

BIKE JUMPS: A bunny hop is a bike trick in which the rider brings both tires off the ground without using a ramp. The table shows the height y (in inches) of a bunny hop on a bike that weighs x pounds.

a. Write a linear function that relates the height of a bunny hop to the weight of the bike.

Problem #12 b

BIKE JUMPS: A bunny hop is a bike trick in which the rider brings both tires off the ground without using a ramp. The table shows the height y (in inches) of a bunny hop on a bike that weighs x pounds.

b. What is the height of a bunny hop on a bike that weighs 21.5 pounds?

_____ in.

Mathematical Equivalence

ON

Problem #14 a

RACE: You and a friend race each other. You give your friend a 50-foot head start. The distance y (in feet) your friend runs after x seconds is represented by the linear function y = 14x + 50. The table shows the distances you run.

a. Who runs at a faster rate?

• your friend runs at a faster rate

• you run at a faster rate

Problem #14 a

RACE: You and a friend race each other. You give your friend a 50-foot head start. The distance y (in feet) your friend runs after x seconds is represented by the linear function y = 14x + 50. The table shows the distances you run.

a. What is that rate?

• 19 feet per minute

• 17 feet per second

• 18 feet per second

• 19 feet per second