Algebra A review

For the expression
4x + y - 6, 
what is the 6?

• variable
• constant
• term
• operation

• 3

• x

• 5

• 3x and 5

How many terms are in the expression?:

5x + 3y - 15 + x

• 6

• 2

• 3

• 4

Find the slope of the line.

• -5/4
• 5/4
• -4/5
• 4/5

Find the slope of the line.

• -2/1
• 2/1
• -1/2
• 1/2

Simplify the following expression:

(3y⁴)²

• 9y⁸

• 9y⁶

• 6y⁸

• 6y⁶

(3c⁵)(12c³)

• 15c¹⁵
• 15c⁸
• 36c¹⁵
• 36c⁸

(x + 5)(x + 4)

• x² + x + 20
• x² + 20x + 9
• x² + 9x + 20
• x² - 9x + 54

Identify the property
a + b = b + a

• Identity of addtion
• commutative of addition
• associative of addition
• symmetric