Zeros from Factored Form

For which equation does the parabola cross at (2,0) and (8,0)

• y= (x+2)(x+8)

• y= 2(x-1)(x-4)

• y= (x-8)(x-2)

• y= 2(x+1)(x+4)

Tags

CCSS.HSF-IF.C.7A

Solve for b

• b=4/5, b=3

• b=4, b=-3

• b=1/5, b=3

• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

What are the solutions?

(2x + 5)(5x - 2) = 0

• x = -5/2, -2/5

• x = -5/2, 2/5

• x = 5/2, 2/5

• x = 5/2, -2/5

Tags

CCSS.HSA-REI.B.4B

• -2 and 10

• -2 and -10

• 2 and 10

• 2 and -10

Tags

CCSS.HSA-REI.B.4B

What are the x-intercepts of the parabola?

y = -3(x + 5)(x - 9)

• (-5, 0) and (9, 0)

• (5,0) and (-9, 0)

• (5, 0) and (9, 0)

• (-3, 0) and (5, 0)and (-9, 0)

Tags

CCSS.HSF-IF.C.7A

Solve using Zero-Product Property.

(2x - 2)(5x + 5) = 0

• x = -1

• x = -1 or x = 1

• x = 1

• x = -2 or x = 5

Tags

CCSS.HSA-REI.B.4B

In the equation
 (x + 2)(x - 3) = 0, the binomials are called...?

• Factors
• Products
• Multiples
• Zeros

Tags

CCSS.HSA.APR.B.2

What is the first step in solving 
(x + 2)(x - 3) = 0      ?

• Plug in zero for x
• Solve for x
• FOIL
• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

Solve for the values of x:
(x + 2)(x - 3) = 0

• { 2, 3 }
• { -2, -3 }
• { 2, 3 }
• { -2, 3 }

Tags

CCSS.HSA-REI.B.4B

Solve for the values of x:
(2x - 1)(x + 4) = 0

• { 1/2, -4 }
•  { 1/2, 4 }
• { 2, -4 }
• { -2, 4 }

Tags

CCSS.HSA-REI.B.4B