7.4 (Day 2) Solving Polynomial Equations in Factored Form

Factoring is:

• a mathematical process of breaking down an expression into simpler components

• a method of solving linear equations

• a technique for graphing functions

• a way to calculate derivatives

Factor by finding the GCF: 4x^2 + 6x

Factor by finding the GCF: 3x^2 + 12x - 24

• 3(x^2 + 4x - 8)

• 3(x^2 + 4x + 8)

• 3(x^2 - 4x - 8)

• 3(x^2 + 6x - 8)

Factor by finding the GCF: 4x^5 - 6x^3 + 10x^2

• 4x^2( x^3 - 1.5x + 2 )

• 2x^2( 2x^3 - 3x + 5 )

• x^2( 4x^3 - 6x + 10 )

• 2x( 2x^4 - 3x^2 + 5x )

Factor by finding the GCF: -14x - 21y

• GCF of -14x and -21y is -7. Factored form is -7(2x + 3y).

• GCF of -14x and -21y is -14. Factored form is -14(x + y).

• GCF of -14x and -21y is -21. Factored form is -21(x + y).

• GCF of -14x and -21y is -1. Factored form is -(14x + 21y).

Tags

CCSS.7.EE.A.1

Factor by finding the GCF: -8x^2 - 12x + 4

• Factor by finding the GCF

• Factor by grouping

• Factor by using the quadratic formula

• Factor by completing the square

Factor by finding the GCF: -12x^3y + 5xy^2

Factor by finding the GCF: x(x + 1) - 2(x + 1)

• x - 2

• (x - 2)(x + 1)

• x(x + 1) - 2(x + 1)

• x(x - 2) + 1

Tags

CCSS.7.EE.A.1

Factor by finding the GCF: x(y - z) + w(y - z)

• (y - z)(x + w)

• (x - w)(y + z)

• (y + z)(x - w)

• (x + y)(w - z)

Tags

CCSS.7.EE.A.1

Solve the equation by factoring: 2x^2 + 8x = 0

• x(2x + 8) = 0

• 2x(x + 4) = 0

• x(2x - 8) = 0

• 2x^2 + 8x = 0

Tags

CCSS.HSA-REI.B.4B