Quadratic Formula

Quadratic Equation

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Multiple Select

X intercepts are also called....

• Solutions

• Parabolas

• Roots

• Puppies

Multiple Choice

Given a graph, how can you find the "solutions" to a quadratic?

• Copy off neighbor

• Plug into calculator

• Solutions are where the quadratic crosses the x axis

• Magic 8 Ball

Multiple Choice

How many solutions do quadratics have?

• 2

• At least 2

• infinite

• 1

Multiple Select

What are the green dots called?

• roots

• vertex

• solutions

• x intercepts

Multiple Choice

What are the x- intercepts?

• (0,0) and (0,4)

• (0,0) and (4,0)

• y= 0

• x= 2

Multiple Choice

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

The standard form of a quadratic equation is ax²+bx+c

What are the values for a, b and c in the following quadratic equations?

3x²+5x-1=0 2x²-7x=10

Multiple Choice

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3
*remember right side should =0

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

Multiple Choice

Identify a, b, and c in: x²−6x+14

• a=3,b=5,c=9

• a=1,b=-6,c=14

• a=1,b=-6,c=-14

• a=1,b=6,c=14

Multiple Choice

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

4x² – 8x = 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

Multiple Choice

What are the zeros of

$$f\left(x\right)=x^2+7x-18$$  ?

• $$x=-2,\ -9$$  

• $$x=2,\ -9$$  

• $$x=-2,\ 9$$  

• $$x=2,\ 9$$  

Multiple Choice

Solve using the quadratic formula:

4x² + 4x + 1 = 0

• x = -½

• x = -2

• x = 0

• x = ½

Multiple Choice

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution