Equations and Graphs

Dave walks to the store every day. Jim also walks to the store every day, but lives 3 blocks further away. Which equation represents the situation?

• J = D + 3

• D = J + 3

• J = D*3

• D = J*3

Ben drew a rectangle. The length of his rectangle is 1/3 the width of the rectangle.

What is the length of the triangle when the width is 12?

• 24

• 36

• 4

• 12

Complete the table and chose the graph of the equation.

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Diane spends three times the amount on clothes each year as her husband Jim. Which equation represents the situation?

• J = D + 3

• D = J + 3

• J = D*3

• D = J*3

Kate's father will add ​$4 to the other donations she collects for the school fund drive.

Let d=the other donations.

Let t=total. t = d + 4

What is the total when the other donations were $100?

• $104

• $96

• $400

• $25

Complete the table and chose the graph of the equation.

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Forensic anthropologists analyze skeletons to help solve crimes. They can use the length of a femur bone to estimate the height of a skeleton. The height of a skeleton is about 30 inches taller than twice the length of the femur bone. (h) height, (f) femur. Which equation represents the situation?

• h = 2(30) + f

• h = 2(f + 30)

• f = 2(h) + 30

• h = 2(f) + 30

People get energy from the food they eat. This energy is measured in calories. When you​ exercise, you use up or burn calories. The picture shows about how many calories a 120​-pound person burns each minute bowling. How many calories does a 120​-pound person burn in 3 hours of​ bowling?

• 720 calories

• 12 calories

• 480 calories

• 1440 calories

Which equation represents the table?

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