Solve Quadratics Factoring Method

Which method is most efficient to solve:
x²  -  11x + 10 = 0

• Square Roots

• Factoring

• Completing the Square

• Quadratic Formula

Which method is most efficient to solve:
8x²  -  5x  = 0

• Square Roots

• Factoring

• Completing the Square

• Quadratic Formula

What are the zeros of the function?
f(x) = x² + x - 20

• x = 5 ; x = -4

• x = -20 ; x = 0

• x = -5 ; x = 4

• x = 20; x = 0

• Extracting the Root

• Factoring

• Completing the Square

• Quadratic Formula

Which answer choice correctly shows the quadratic equation above in factored form?

• (x + 7)(x - 2) = 0

• (x - 7)(x + 2) = 0

• (x - 7)(x - 2) = 0

• (x + 7)(x + 2) = 0

Solve by factoring

• A

• B

• C

• D

Solve by factoring!

• -2, 4

• -8

• ±8

• No real solution

Solving the equation f(x) = x² - 8x + 15 =0, what are the two factors we can create to solve this equation? ​ (a)   .

• (x - 3) and (x - 5)

• (x + 3) and (x + 5)

• (x - 15)

• -3, 4
• 3, 4
• -4, -3
• -3

Solve by factoring: x² + 3x - 18 = 0
Put the solutions in order from least to greatest.

{​ (a)   ,​ (b)   }

• -6

• 3

• 6

• -3

• 9

• -2

• -9

• 2

• 18

• -1