Solving Quadratic Equations Texas

• A. 1

• B. 3

• C. 1/3

• D. -1/3

Given this graph is the function of y=x^2-2x-8 , what is the solution to x^2=2x+8 ?

• (1, 9)
  

• x = {-2, 4}
  

• (0, 8)
  

• x = {5, 2}
  

How many real solutions can a quadratic equation of the form shown have?
Check all that apply.

• 0

• 1

• 2

• 3

• infinitely many

When using factoring to solve a quadratic equation, what must be true?

• The equation must be set equal to 1.

• The equation must be set equal to 10.

• The equation must be set equal to 0.

• It is not necessary to set the equation equal to anything.

Tags

CCSS.HSA-REI.B.4B

• x = 5 only
  

• x = -5 only
  

• x = 5 and -5
  

• There are no real solutions
  

Tags

CCSS.8.EE.A.2

Solve by factoring

• -4, 2

• -2, 4

• -16

• -4

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:

2x² + 2x − 12 = 0

• x = −2, 3

• x = 2, 3

• x = 2, −3

• x = −2, −3

Tags

CCSS.HSA-REI.B.4B

Solve by factoring. (HINT: Factor GCF 1st)

• x = 3, x = -6

• x = 0, x = 2

• x = 2, x = 3

• x = -2, x = 1

Tags

CCSS.HSA-REI.B.4B

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form

• Write down: a=1, b=6, c=-13

• Make it equal 0 by subtracting 3 on each side

• Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

Factor x²-11x+24

• (x-3)(x-8)

• (x-2)(x-12)

• (x+3)(x+8)

• (x+2)(x+12)