Solving Quadratics by Graphing, Table, Factoring, and Square Roots

The name for an equation that contains an x² term is...

• Parabola

• Vertex

• Quadratic

• Linear

Fill in the blanks... (select two options)

• 2

• 3

• 4

• 5

• 6

Which one is NOT a Quadratic Equation?

• x² = 250

• 3x² - 2x - 1

• -1 = 2x +x²

• 1/2x² +17 = 0

How many zeros does this graph have?

• None

• One

• Two

• Can not be determined

Tags

CCSS.HSF-IF.C.7A

• -1 and 3
• 1 and -3
• -1 and -3
• 1 and 3

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

Solve the quadratic equation by graphing.

a² + 10a + 21 = 0

• ± √21

• -3 , -7

• 3 , 7

• 28 , -7

What are the solutions to this function?

• x={-2,-1}

• x={-3,-1}

• x={-1,3}

• x={-1,-2}

Solve
2x² + 17x + 21 = 0

• x= ^-21/₂, -17

• x= ²/₃, 16

• x=-7, ^-3/₂

• x=15, -³/₇

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