Review Quadratic Formula

What is the solution set for the equation below?
 x² + 4x - 40 = -8

• {-10 , -4}

• {-4 , 10}

• {-8 , 4}

• {8 , -4}

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:

5x²-10x-5=0

• 1

• 8,-17

• 4.4,-5

• 0.414,-2.414

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

For the function above, is the discriminant positive, negative, or zero?

• Positive

• Negative

• Zero

• Not Sure

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Determine the value of the discriminant and describe the number and type roots for the following:

x² + 7x + 13

• 101, 2 real roots

• 3, 2 real roots

• -101, 2 imaginary roots

• -3, 2 imaginary roots

Tags

CCSS.HSA-REI.B.4B

If the discriminant is negative, then the quadratic has:

• 1 Real Solution

• 2 Real Solutions

• Half a Solution

• 2 Complex (imaginary) Solutions

Tags

CCSS.HSA-REI.B.4B

How many solutions does the equation 4x² + 4x + 1 = 0 have?

• 0

• 1

• 2

• More than 2

Tags

CCSS.HSA-REI.B.4B

What are a, b, and c in the quadratic?

• a = -5, b = 3, c = -10

• a = 5, b = 3, c = -10

• a = 5, b = -3, c = 10

• a = 5x², b = -3x, c = 10

Use the quadratic formula to solve 2x² + 2x - 12.

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

CCSS.HSA-REI.B.4B