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Solve:    4x + 15 =  21

• 10

• -10

• 9

• -9

What is the graph of the inequality “x is greater than or equal to 2 but less than 2”?

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Which polynomial is written in standard form?

• -3x + 8x² + 9x³ - 11
• 9x³ + 8x² - 3x - 11
• 8x² + 9x³ -11 - 3x
• -11 - 3x + 8x² + 9x³

Identify the degree of the monomial:
8a³

• 8
• 1
• 3
• 11

Multiply: ( 4k + 3 )( 3k² - 3k + 1 )

• 12k³ - 3k² - 5k + 3

• 12k³ + 3k² + 5k - 3

• 12k³ + 3k² - 5k + 3

• 12k³ - 3k² - 5k - 3

Fill in the blank:

( 2m + 5n )( ________ ) = 4m² - 25n²

• 2m + 5n

• 2m - 5n

• 2m + 20n

• 2m - 20n

What must be multiplied with

(3x + 5y) to get a product of

(15x² + 13xy - 20y²) ?

• 12x - 15y

• 12x + 15y

• 5x + 4y

• 5x - 4y

What is the value of  $x$  in the equation

 $6\ \left(x-3\right)\ =\ 24$  ?

• 14

• 7

• 1

• 20

Find y in the equation 

 $\frac{y}{2}+\ 5\ =\ 24$  .

• 14

• 48

• 38

• 34

Where do these two lines intersect?

• No solution
• (-2, 3)
• (3, -2)
• (2, 3)