Find the difference.

(4x²+ x) - (x²+ 2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3
• 4y² + 3y³ - y + 3
• -y⁴ + 2y³ -y - 4
• 4y³ + 3y² -3y + 1

Tags

CCSS.HSA.APR.A.1

Find the product.

(4x+1)(5x−2)

• 20x² + 3x − 2

• 20x² − 11x + 5

• 20x² − 18x + 2

• 20x² − 3x − 2

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²
• 7x² - x + 4 (-3x²)
• 21x⁴ + 3x³ + 12x²
• -12x² + 3x³ -21x⁴

Tags

CCSS.HSA.APR.A.1

Find the product.

(x - 3)(x² + 2x + 7)

• x³ - x² + x - 21

• x³ + 5x + 13x - 21

• x³ - 3x² + 7x - 21

• x² + 2x - 3

Factor:

56a³ - 8a

• 8a²(56a³ - 8a)

• 8a(7a² - 1)

• 8a(7a³ - a)

• 8a²(35a² - a)

Factor Completely

16x² - 32x

• 8x(2x - 4)

• 16(x² - 2x)

• 16x(x - 2)

• Not factorable (prime)

What is the first step in solving 
(x + 2)(x - 3) = 0      ?

• Plug in zero for x
• Solve for x
• FOIL
• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

Solve for the values of x:

(2x - 1)(x + 4) = 0

• x = 1/2, x = -4

• x = 1/2, x = 4

• x = 2, x = -4

• x = -2, x = 4

What are the zeros (solutions to the equation)?

5x² + 20x = 0

• x = -4

• x = 4

• x = 0, x = -4

• x = 0, x = 4