Practice noon session 03-06-23

Solve the following quadratic equation by factoring. x² - 9x + 20 = 0

• x = -2 or x = 10

• x = -5 or x = -4

• x = 4 or x = 5

• Not factorable

ax² + bx + c = 0 is the standard form of a quadratic equation.

• True

• False

Solve the following quadratic equation by factoring.

x² + 2x - 15 = 0

• x = 3 or x = 5

• x = 5 or x = -3

• x = -5 or x = 3

• x = -3 or x = -5

Solve the following quadratic equation by factoring.

x² + 12x + 35 = 0

• x = -5 or x = -7

• x = 5 or x = 7

• x = -35 or x = -1

• x = -9 or x = -4

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

• x = 3 or x = -2

• x = -3 or x = 2

• x = 2 or x = 3

• x = 3 or x = 2

Solve the following quadratic equation by factoring.

• x = -6 or x = -2

• x = -2 or x = 6

• x = 2 or x = 6

• x = -6 or x = 2

What type of equations always include an x²?

• Quadratic

• Linear

• Exponential

• Quartic

Solve

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

• n = -7 or n = 4

• n = 7 or n = -9

• n = -3 or n = 10

• n = -7 or n = -9