Quadratic Formula and Graphs

What is this formula?

• This is the standard formula.

• This is the quadratic formula.

• This is the square root formula.

• This is the Pythagorean formula

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12=0.

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Tags

CCSS.HSA-REI.B.4B

What is the axis of symmetry?

• x=-1

• x=-2

• y=-1

• y=3

Tags

CCSS.HSF-IF.C.7A

What is the significance of the ordered pair (2, -4) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Tags

CCSS.HSF-IF.C.7A

Use the graph to solve the equation: x²+x-6=0

• x= -6

• x=0

• x=3 and x= -2

• x= -3 and x=2

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 

Explain the steps in solving the shown quadratic equation.

USE ACADEMIC VOCABULARY AND THE QUADRATIC FORMULA OR GRAPHING.

Tags

CCSS.HSA-REI.B.4B

• a. X= 10.5 X= -6

• b. X= 9.5 X= -5

• c. X= 11.5 X= -7

• d. X= 10.5 X= -8

Tags

CCSS.HSA-REI.B.4B

Use the graph to solve the equation

• x=2

• x= -0

• x= -2

• x=0

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3