Solutions to Quadratic Equations

Given this graph is the function of

 $y=x^2-2x-8$  , what is the solution to  $x^2=2x+8$  ?

• (1, 9)
  

• x = {-2, 4}
  

• (0, 8)
  

• x = {5, 2}
  

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Select the solutions to the equation

2x² - 3x - 2 = 0

• x = 2

• x = -0.5

• x = - 3

• x = - 2

Tags

CCSS.HSA.REI.B.4

Select the solutions to the equation

2x² - 13x + 15 = 0

• x = 1.5

• x = 5

• x = - 6

• x = 2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

What is the color of the graph that has exactly one real zero?

• black

• green

• purple

• red

• None of these graphs has exactly one zero.

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.11

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

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

Use the graph to determine the solutions.

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

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.11

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

What is another name for the x-intercepts and solutions of a quadratic?

• y-intercept

• Zeros

• x-axis

• They don't have another name

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.11

How many solutions are there?

• 0

• 1

• 2

• Cannot be determined

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

What are the solutions? Hint: look at x-intercepts

• x= -5

• x= -1 and x = 5

• (2,-9)

• Cannot be determined

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4