Solve Quadratics by Graphing Lesson 8A

Solve Quadratics by Graphing

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​nOW LET'S PRACTICE!

tHIS IS FOR A GRADE, SO TAKE IT SERIOUSLY. CLICK "oPEN IN A NEW TAB" ON THE NEXT SLIDE FOR desmos and then begin!

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Multiple Select

What are three other names for zero?

• x-intercept

• y-intercept

• vertex

• root

• solution

Drag and Drop

What  are the solutions of this graph?

Placeholder

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-2 and 3

-1/2 and -6

-2 and -6

3 and -6

Dropdown

The solutions of the quadratic equation  $$x^2$$ +2x-15=0 are

Select answer

Multiple Choice

The Quadratic Formula is?

Multiple Choice

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0 and y= 4

• y= 0 and y= -4

Drag and Drop

The two solutions to y= 2 $$x^2$$  - x - 3 are

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-1 and 1.5

1 and 1.5

-1 and -1.5

1 and -1.5

Fill in the Blank

The U-Shaped curve of a quadratic equations is called a ______.

Dropdown

What are the solutions?

Select answer

Multiple Choice

Solve
2x² + 17x + 21 = 0

• x= ^-21/₂, -17

• x= ²/₃, 16

• x=-7, ^-3/₂

• x=15, -³/₇

Multiple Choice

The solutions of the quadratic equation 
x²+12x+35=0 are

• x = -5 or x = -7

• x = 5 or x = 7

• x = -35 or x = -1

• x = -9 or x = -4