Algebraic Ideas Review

2r + 2 + 5r + 2 + r 

• 8r + 4

• 8r - 4 

• 12r 

• 7r + 4 + r 

Simplify: 10w + 3d + 3w + d

• 13w + 4d

• 17wd

• 13w + 3d

• Can't be simplified

Five times Mike's age, increased by nine

• 5(x+9)

• 9(5+x)

• 9x+5

• 5x+9

Translate the following expression: 14 increased by a number cubed

• d² + 14

• d³ + 14

• d² - 14

• d³ - 14

Erica has three less than twice as many pencils as Dale has. If Dale has d pencils, which expression shows how many pencils Erica has?

• 3 - 2d

• 2d - 3

• ½d - 3

• 3 - ½d

Solve the following equation
14m = 28

• 2

• 14

• 32

• 1/2

Evaluate when a = 15:
2(a - 5) + 2

• 22

• 27

• 14

• 7

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8

• x ≥ 18

• x ≤ 8 

• x ≤ 18 

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4