Brain Builder #7- Advanced Math

Solve the equation. Check your solution.

8 = 2 + 3x

• x = 2

• x = 3

• x = 6

• none of these answers

Tags

CCSS.7.EE.B.4A

Solve the equation. Check your solution.

-a + 1 = 15

• a = 15

• a = -14

• -a = 14

• none of these answers

Tags

CCSS.6.EE.B.7

Solve the equation. Check your solution.

0 = 4x - 28

• x = 9

• x = 4

• x = 7

• none of these answers

Tags

CCSS.7.EE.B.4A

Solve the equation. Check your solution.

4b = 24 = 24

• b = 0

• b = 1

• b = 4

• none of these answers

Tags

CCSS.6.EE.B.7

Solve the equation. Check your solution.

30 = -5d - d

• d = 6

• d = 7

• d = -7

• none of these answers

Tags

CCSS.7.EE.B.4A

Solve the equation. Check your solution.

6 +  $\frac{n}{5}$  = -4

• n = -2

• n = -50

• n = -10

• none of these answers

Tags

CCSS.7.EE.B.4A

1. While at the music store, Drew bought 5 CDs, all at the same price. The tax on his purchase was $6, and the total was $61. Write an equation for the price of one CD.

• 5 + 6x = 61

• 5x -6 = 61

• 5x + 6 = 61

• none of these answers

Tags

CCSS.HSA.CED.A.3

1. A rectangle has a width of 6 inches and a perimeter of 26 inches. Write an equation and solve for the length of the rectangle. (P = 2⋅length + 2⋅width)

• 2x + 12 = 26 therefore x = 7

• x + 6 = 26 therefore x = 20

• What is a rectangle?

• none of these answers

Tags

CCSS.7.EE.B.4A

Look at the picture on #9.

Which list shows the circles in order from greatest area to least area?

• Circle Z, Circle Y, Circle X

• Circle Y, Circle Z, Circle X

• Circle X, Circle Z, Circle Y

• none of these answers

Translate each sentence into an equation.

Eighteen equals four more than seven times a number.

• 18 = 4 + 7x

• 18 = 4(7x)

• 18 = 4 + 7 + x

• none of these answers