Solving Quadratics by Graphing and Factoring

What are the zeros of the function in the graph?

• (-1, 0) and (1, 0)

• (0, -1) and (0, 1)

• (0, -1)

• (-1, 0) and (1, 0) and (0, -1)

Tags

CCSS.HSA.APR.B.3

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

Tags

CCSS.HSF-IF.C.7A

Find the solutions to: 7(x-10)(3x+2)

• x = 10 and x = -2/3

• x = 10 and x = -2

• x = 1 and x = -2/3

Tags

CCSS.HSA-REI.B.4B

Find the roots

• x = -1 x = 3

• x = -2 x = 3

• x = -1 x = 4

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.11

Find the solutions as an ordered pair.

• (3,0) (-4,0)

• (-3,0) (4,0)

• (-2,0) (4,0)

Tags

CCSS.HSF-IF.C.7A

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

What does "solve" a quadratic mean?

• find the x-intercepts

• find the zeros

• find the roots

• find the solutions

Tags

CCSS.HSA-REI.B.4B

Solve this quadratic. You may use factoring or graphing.

• -6, -2

• -2, 6

• 2, 6

• -6, 2

Factor: 49x² - 100

• (49x + 100)(x - 1)
• (7x - 10)(7x + 10)
• (49x - 10)(x + 10)
• (7x -10)(7x - 10)

Tags

CCSS.HSA.APR.C.4