Solving Quadratic Equations

Solve 3x^2 - 2x = 8

• A. No Solution

• B. -2 or 4/3

• C. 2

• D. -4/3 or 2

Tags

CCSS.HSA-REI.B.4B

Solve by the method of your choice.

• A.

  x = 7 only

• B.

  x = 0 only

• C.

  x = 0 and 7

• D.

  There is no real answer for this equation.

Tags

CCSS.HSA-REI.B.4B

• Yes, she factored correctly and then used the zero product property

• No, she didn't factor correctly so the rest of her work is wrong.

• No, she did not set the equation equal to zero before factoring.

• Yes, she answered it correctly.

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.8.EE.A.2

Tags

CCSS.HSA-REI.B.4B

What value of c would make this a perfect sqaure trinomial?
x² +8x + c

• A. 4

• B. 16

• C. 64

• D. - 16

Tags

CCSS.HSA-REI.B.4B

• A. x = 4

• B. x = 2

• C. x = - 2

• D. x= - 4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• A. 1

• B. 3

• C. 1/3

• D. -1/3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -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}