10.22 & 10.23_Algebra 2_Warm Up -Solve by factoring & graphing- USE GRAPHING CALCULATOR, PAPER & PENCIL,

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? (zero=root=solution=x intercept)

• 0

• -1

• 1.5

• -3

To solve a quadratic by graphing is to find where the parabola crosses the x-axis. We call these the ___. Select all that apply.

• zeroes

• x-intercepts

• solutions

• roots

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

Find the solutions to: 7(x-10)(3x+2) **hint, set each factor =0 then solve for x.

• x = 10 and x = -2/3

• x = 10 and x = -2

• x = 1 and x = -2/3

Find the roots: 5x² + 31x + 6 = 0

• x = -1 and x = -6

• x = -1/5 and x = 6

• x = -1/5 and x = -6

Tags

CCSS.HSA-REI.B.4B

Find the zeros by factoring.

h(x) = x² + 6x + 9

• (-3,0)

• (3,0)

• (-3,1)

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

The discriminant is

• aX²  + bX  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

____________
For the function above, is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not Sure

Tags

CCSS.HSA.REI.B.4

____________
For the function above, is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not Sure

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

For the function below, is the discriminant positive, negative, or zero?

___________

y = x² + 4x + 4

• Positive

• Negative

• Zero

• Not Sure

Tags

CCSS.HSA-REI.B.4B