Unit 3 Review Equations, Tables & Graphs

The relationship between x and y in this table is given by the equation y=4x+1.

What is the value for y if x=5?

• 19

• 20

• 21

• 22

3.

Jane needs to solve for the value of n in the equation 10n=150.

Which of these steps would BEST help Jane solve the equation?

• divide both sides of the equation by 10

• multiply both sides of the equation by 10

• subtract 10 from both sides of the equation

• subtract 10 from the left side of the equation and add 10 to the right side of the equation

Tags

CCSS.HSA.REI.A.1

The cost of a keyboard (k) is $40 less than the cost of a printer (p).

Which of these equations could model this fact?

• k = p − 40

• k − 40 = p

• k=p+40

• k+p=40

Tags

CCSS.6.EE.C.9

In the equation 7x+6=y, what is the value of y when x=2?

• 14

• 15

• 20

• 26

Tags

CCSS.6.EE.C.9

Scientists are studying different types of birds. The height of the average raven is 2 inches more than the height of the average crow. Which expression shows the height of the raven (r)  compared to the height of the crow?

• r×2

• r+2

• r÷2

• r−2

Tags

CCSS.6.EE.B.6

Each CD at a music store is sold for $10. If n represents the number of CDs sold, which equation could be used to find the total number of dollars, d, the store receives from CD sales?

• n=10+d

• n=10d

• d=10n

• d=10+n

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Bobby is ten years younger than his sister, Amy. Which equation BEST describes the relationship between x, Bobby’s age, and y, Amy’s age?

• y=x÷10

• y=x−10

• x=y÷10

• x=y−10

Tags

CCSS.6.EE.C.9

If x=3,y=2, and z=10, what is the value of the expression below?

2x+3y+z

• 22

• 60

• 23

• 65

Tags

CCSS.6.EE.A.2C

If x=2 and y=5,what is the value of the expression below?

7x+y2

• 97

• 82

• 39

• 24

The table shows the equation y=x+10.

What is the value of y for x=3?

• 13

• 3

• 7

• 10

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1