Solving Quadratics by Graphing

What  are the solutions of this graph?

• -2 and 3
• -1/2 and -6
• -2 and -6
• 3 and -6

What are the solutions?

• 0 and 8
• -2 and -4
• 3 and -1
• 2 and 4

What is another word that describes the zeroes of a quadratic function?  

• y-intercepts
• vertex
• x-intercepts
• maximum

Tags

CCSS.HSF-IF.C.7D

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSA.APR.B.3

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

The two solutions to y= 2x² - x - 3 are...

• 1 and 1.5
• -1 and 1.5
• -1 and -1.5
• 1 and -1.5

Tags

CCSS.HSA-REI.B.4B

The equation y = x² + 3x - 18 is graphed.  Based on this graph, what are the roots of the equation x² + 3x - 18 = 0?

• -3 and 6
• 0 and -18
• 3 and -6
• 3 and -18

The equation y = -x² - 2x + 8 is graphed.  Based on this graph, what are the roots of the equation -x² - 2x + 8 = 0?

• 8 and 0
• 2 and -4
• 9 and -1
• 4 and -2

The graph of f(x) is shown.  Based on this graph, what are the roots of the equation f(x)=0?

• 1 and -5
• -1 and 5
• 2 and -9
• -1 and -5 and 5