Algebraic Expressions Unit Review

• 2, 6, 1

• 2, 5, 6

• 2, 5

• 2, 6

What is the name of the value that does not change (a number that stands alone) in an expression?

• coefficient

• variable

• like term

• constant

Which algebraic expression best represents the following verbal expression?
 
half a number x plus 4

• 2x + 4
• x + 4(½)
• ½x + 4 
• x + ½ + 4

Which algebraic expression best represents the following verbal expression?
 
four less than the product of b and three

• 4 - 3b
• 4 - (3 + b)
• (4 + b) - 4
• 3b - 4

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

12 - 4 x 2 = 

• 16
• 4
• 8
• 18

Simplify the expression according to the order of operations.
2×3−(14÷7+2)²+5=

• -5
• -75
• 49
• -1

Simplify the expression according to the order of operations.
(3+5)²−4−8÷1−3=

• -5
• -75
• 49
• -1

Factor:  
4x + 30y

• 2(x + 15y)
• 4(x + 15y)
• 2(2x + 15y)
• can't be factored

Factor:
12x - 20

• 4x(3 - 5)
• 4(3x - 5)