Solving Quadratics with Zero Method

What method is used to solve a quadratic in Factored Form?

• Inverse Operations

• Quadratic Formula

• Zero Product Property

Tags

CCSS.HSA-REI.B.4B

What are the factors AND solutions of x² + 2x – 3 = 0

• (x - 2)(x + 1); x=2, x=-1

• (x + 1)(x - 3); x=-1, x=3

• (x + 2)(x - 1); x=-2, x=1

• (x - 1)(x + 3); x=1, x=-3

Tags

CCSS.HSA-REI.B.4B

Solve the equation using the zero product property.
3x ( 2x - 4) = 0

• x = -1/3 and x = -2

• x = 0 and x = 2

• x = 0 and x = -2

• x = -1/3 and x = 2

Tags

CCSS.HSA-REI.B.4B

In the equation, y = x² +5x +7, match each coefficient with its correct letter.

• a=0, b=5, c=7

• a=1, b=5, c=7

• a=7, b=5, c=1

• x = -1 and x=-3

• x = 1 and x=3

• x = 1 and x=-3

• x = -1 and x=3

Tags

CCSS.HSA-REI.B.4B

Solve for x:

3x² - 6x + 6 = 0

• x = 1± i

• x = 3, -6

• x = 4.8, 2.7

• Undefined

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

What is the first step to solving the equation below by completing the square?

• Set the equation equal to zero

• Divide 10 by 2 and add the result to both sides

• Add a² and 10a together

• Subtract the 21

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

What is one of the solutions to this equation?
(2x - 1)² = 49

• 25

• -7

• -4

• -3

Tags

CCSS.HSA-REI.B.4B

What are the solutions?

• -2, 1

• 1, 2

• -1,2

• 0,-4