Solving Quadratic and a Straight Line Graphically

Select the solutions to the equation

x² - 7x + 5 = 0

• x = 0.8

• x = - 7.2

• x = 6.2

• x = 5

Select the solutions to the equation

x² + 2x - 1 = 2

• x = 0.5

• x = -2.5

• x = -3

• x = 1

Select the solutions to the equation

2x² - 5x + 1 = 1

• x = 0.3

• x = 2.2

• x = 0

• x = 2.5

Select the solutions to the equation

x² - 6x + 6 = -1

• x = 1.6

• x = 4.4

• x = 2

• x = 4

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

• A
• B
• C
• D

Tags

CCSS.HSA.REI.C.7

Use the graph of the function f(x)=-2x²+4x+6 to find the solution(s) of the equation -2x²+4x+6=0.

• x=-1

• x=3

• x=-1 and x=3

• x=1and x=8 

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Solve the equation by graphing.
 -x² + 12x - 36 = 0

• 6

• 3

• 4

• no solution

• (-3,0) and (6,0)

• (-1.5,0) and (2,0)

• (-3,0) and (3,0)

• (-.5,0) and (6,0)