Solve Quadratic by Graphing and Factoring

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

How many solutions does this graph have?

• one

• two

• no solutions

• cannot be determined

Factor
k²+7x+10

• (k+2)(k+5)

• (k-2)(k-5)

• (k+10)(k+4)

• (k+2)(k-5)

Solve the following quadratic equation...

x² + 3x + 2 = 0

• x = -1

  x = -2

• x = 1

  x = 2

• x = -1

  x = 2

• x = 1

  x = -2

(n +7)(n + 9) = 0

• n = -7; n = 4

• n = 7; n = -9

• n = -3; n = 10

• n = -7; n = -9

What are the solutions?

• 0 and 8

• -2 and -4

• 3 and -1

• 2 and 4

How many zeros does this parabola have? 

• 3

• 2

• 0

• 1

Find all the solutions for x when x² + 9x - 36 = 0

• (x + 12)(x - 3)

• x = 12 and x = -3

• x = -12 and x = 3

• (x - 9)(x - 4)

Solve for the values of x:
(x + 2)(x - 3) = 0

• { 2, 3 }

• { -2, -3 }

• { 2, 3 }

• { -2, 3 }

Solve 3x^2 - 2x = 8

• A. No Solution

• B. -2 or 4/3

• C. 2

• D. -4/3 or 2