Solve Quadratic Equations Using Algebra

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• A.

  a = 4, b = -8, c = 3

• B.

  a = 4, b =-8, c =-3

• C.

  a = 4, b = 8, c = 3

• D.

  a = 4, b = 8, c = -3

What is the correct order for solving quadratic equations by completing the square.

Tags

CCSS.HSA-REI.B.4B

Which of the following is an example of quadratic equations?

• x + 9 = 0

• x + y =12

• x³ + 5x² - 14 =0

• x² - 2x = 7

Tags

CCSS.8.EE.C.7B

What is step one in using the quadratic formula to solve a problem?

• Identify A, B, and C

• Plug A, B, and C into the formula

Tags

CCSS.HSA-REI.B.4B

The quadratic function y = -2x² + 4x + 6 is pictured. What are the solutions to the equation 7.5 = -2x² + 4x + 6?

• x = 0.5

• x = 1.5

• x = 1

• x = 8

• x = 6

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4

Determine the values of a, b, and c for the quadratic equation: 

3m² - 14 = 11m

• a=3 b=14 c=-11

• a=3 b=-14 c=11

• a=4 b=-14 c=11

• a=4 b=14 c=-11

If the discriminant is positive, then the solution will be

• one real solution

• two real solutions

• no real solutions

• one imaginary solution

Tags

CCSS.HSA-REI.B.4B

For the function below, is the discriminant positive, negative, or zero?___________y = x² + 4x + 4

• Positive

• Negative

• Zero

• Not Sure

Tags

CCSS.HSA-REI.B.4B