REG ALG Sect 1, Tops 8-9, Sect 2, Top 3

Multiple Choice

After putting in standard form, what is the leading coefficient?

2x² + 3x²y - 4x⁵

• 2

• 3

• -4

• 1

Multiple Choice

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

Multiple Choice

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

Multiple Choice

Simplify the expression.
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 
• -7n² - 8n + 3 
• -6n² - 8n + 3
• -7n² - 4n + 3

Section 2, Topic 3

Multiple Choice

2x + 3(5x - 7) = 47

• x = 1
• x = 2
• x = 3
• x = 4

Multiple Choice

Find the product:

$$\left(7r\ -\ 6\right)\left(7r\ +\ 6\right)$$  

• 49r² + 36

• 49r² - 36

• 49r² + 84r + 36

• 49r² + 42r + 36

Multiple Choice

Find the product.

(5x + 2) (x² - 3x +6)

• 5x³ - 17x² +24x +12

• 5x³ + 17x² - 24x +12

• 5x³ - 13x² + 24x +12

• 5x³ +13x² - 24x - 12

Multiple Choice

Multiply
(x+3)³

• x²+6x+9

• x³ + 27

• x³+3x²-9x+27

• x³+9x²+27x+27

Cross Multiply to Solve Proportions and Equations

Multiple Choice

Solve:

• 165
• 17
• 1/17
• 1/165

Multiple Choice

Solve:

• x = 24
• x = 12
• x = 17.5
• x = 19.5