5-3 solving quadratic equations by factoring

Find the zeros.

• 0 and 4

• 0 and -4

• 0

• -4

Convert x² - 9x + 20 to factored form and solve.

• (x-10)(x+2); x = -2, 10

• (x+4)(x+5); x = -5, -4

• (x-4)(x-5); x = 4, 5

• Not factorable

Factor 6x²-27x

• (6x+1)(x+3)

• 3x(2x-9)

• 6x(x-9)

• (3x-9)(2x+3)

The solutions of the quadratic equation 
x²+2x-15=0 are

• x = 3 or x = 5

• x = 5 or x = -3

• x = -5 or x = 3

• x = -3 or x = -5

What are the solutions to this equation? (x-3)(x+2)=0

• x=3,-2

• x=-3,2

• x=2,3

• x=3,2

The solutions of the quadratic equation
x²-5x+6=0 are

• x=1 or x=-6

• x=3 or x=2

• x=-3 or x= 2

• x=-1 or x=6

The solutions of the quadratic equation 
x²+x+3=0 are

• x = 1 or x = 3

• x = -1 or x = -3

• x = -3 or x = 1

• No solutions

The solutions of the quadratic equation 
x²+5x+6=0 are

• x= -3 or x = -2

• x = -6 or x = 1

• x = 3 or x = 2

• x = -3 or x = 2

The solutions of the quadratic equation 
x²+2x-15=0 are

• x = 3 or x = 5

• x = 5 or x = -3

• x = -5 or x = 3

• x = -3 or x = -5

The solutions of the quadratic equation 
x²-x-12=0 are

• x = 4 or x = -3

• x = -3 or x = -4

• x = 6 or x = 2

• x = 4 or x = 3