Solving Quadratic Equation Quiz Review

How many zeros does this parabola have?

• 3

• 2

• 0

• 1

Tags

CCSS.HSF-IF.C.7A

Find the zeros of this quadratic.

• b=4/5, b=3
• b=4, b=-3
• b=1/5, b=3
• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

Convert x²+6x+9 to factored form and identify the solution.

• (x+3)(x+3); x=-3
• (x+4)(x+5); x=-4, -5
• (x-3)(x-3); x=3
• Not factorable

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring.
x² + 13x + 40 = 0

• -8, 5
• -40, -1
• 5, 8
• -8, -5

Tags

CCSS.HSA-REI.B.4B

Solve

2x² + 17x + 21 = 0

• x= ^-21/₂, -17

• x= ²/₃, 16

• x= -7, ^-3/₂

• x= 15, -³/₇

What is this?

• This is the speed of light formula.
• This is the quadratic formula.
• This is the zero product property.
• This is scary.

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12 = 0?

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Solve the following using the quadratic formula.

• {3, 2}

• {3 + $\sqrt{14}$ , 3 - $\sqrt{14}$ }

• {-3 + $\sqrt{14}$ , -3 - $\sqrt{14}$ }

• {-3, 2}

Tags

CCSS.HSA-REI.B.4B

What is the discriminant?

• b²-4ac
• b²/2a
• 4ac
• b²±4ac

Tags

CCSS.HSA-REI.B.4B

If the discriminant is negative, then the quadratic has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solutions

Tags

CCSS.HSA-REI.B.4B