#9.2 Solving Quadratics by Graphing

What are the solutions to the quadratic?

• x = − 1 and x = 2

• x = 1 and x = − 2

• x = − 5 and x = 5

• x = 1 and x = 2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

What are the solutions to the quadratic?

• x = − 3 and x = − 5

• x = 3 and x = − 5

• x = − 3 and x = 5

• x = 3 and x = 5

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Which quadratic function is shown here?

• f(x) = (x + 2)(x + 1)

• f(x) = (x + 2)(x − 1)

• f(x) = (x − 2)(x + 1)

• f(x) = (x − 2)(x − 1)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which quadratic function is shown here?

• f(x) = (x − 3)(x − 5)

• f(x) = (x + 3)(x − 5)

• f(x) = (x − 3)(x + 5)

• f(x) = (x + 3)(x +5)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which quadratic function is shown here?

• f(x) = − (x − 3)(x − 5)

• f(x) = (x − 3)(x − 5)

• f(x) = − (x − 3)(x + 5)

• f(x) = (x − 3)(x + 5)

Tags

CCSS.HSF-IF.C.7A

How many real solutions does the quadratic have?

• No real solutions

• One real solution

• Two real solutions

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

How many real solutions does the quadratic have?

• No real solutions

• One real solution

• Two real solutions

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

How many real solutions does the quadratic have?

• No real solutions

• One real solution

• Two real solutions

Tags

CCSS.HSA.REI.B.4

Rewrite x² + 6x = 5 in standard form.

• x² + 6x + 5 = 0

• x² + 6x − 5 = 0

• x² = 6x + 5

• x² = 6x − 5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Rewrite x² − 6x + 8 = 0 in intercept form.

• (x + 4)(x + 2) = 0

• (x − 4)(x − 2) = 0

• (x − 8)(x − 1) = 0

• (x + 8)(x + 1) = 0

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3