Intro Algebra

3a + 2b + 3 a =

• 8a

• 8b

• 5a + 3a

• 6a + 2b

4 + N = 8, What is N

• 2

• 3

• 4

• 5

• Answer not given

x + 4 = 12

• x = 6

• x = 8

• x = 14

• x = 10

• Answer not given

Define algebraic expression.

• a number multiplied by a variable

• a math phrase that may have numbers, variables, and operations

• a math statement setting two expressions equal

• a set of solutions

Convert the phrase into mathematical expression:

"3 more than twice a number"

• 2x + 3

• 2(x+3)

• (3+2)x

• 3/2x

the product of 34 and z 

• 34/z

• z/34

• z X 34

• 34 - z 

2x + 2x =

• x + 4

• 2 + x

• 2 + 2

• 4x

R x 4 = 16 , R = ?

• 3

• 4

• 5

• 6

• Answer not given

14 - Z = 5 , Z = ?

• 9

• 10

• 11

• 12

• Answer not gien

b + b + b = 12

• b = 3

• b = 12

• b = 9

• Answer not given