Finding Zeros Given Factored Form

What are the zeros?

2x(x - 5) = 0

• x = 0, 5

• x = 0, - 5

• x = 5

• x = -5

Tags

CCSS.HSF-IF.C.7C

The x-intercepts of a quadratic equation are known as the _____.

• vertices

• squares

• zeros

• formulas

Tags

CCSS.HSF-IF.C.7A

What is another way to say "where a function crosses the x-axis"?

• x-intercept

• zero

• root

• all of these.

• solution

Tags

CCSS.HSF-IF.C.7C

Use the graph of f(x) to determine the real solutions to f(x)=0.

• -10

• 2, 5

• 0, 7

• no real solution

What are the solutions?

• 0 and 8

• -2 and -4

• 3 and -1

• 2 and 4

Solve for the values of x:
(x - 3)(x + 6) = 0

• { -3, -6 }

• { 3, -6 }

• { -3, -6 }

• { 3, 6 }

Tags

CCSS.HSA-REI.B.4B

What are the x-intercepts?

2(x + 5)(x + 1) = 0

• x = 0, 5, 1

• x = 0, - 5, -1

• x = 5, 1

• x = -5, -1

Tags

CCSS.HSA-REI.B.4B

Write an expression where the solutions are 4 and -3 with a k=1

• y=(x-4)(x-3)

• y=(x+4)(x-3)

• y=(x-4)(x+3)

• y=(x+4)(x+3)

Tags

CCSS.HSA.APR.B.3

What does it mean to "find the zeros" of a quadratic?

• Plug in 0 and solve the expression.

• Factor then set each factor equal to zero and solve to find x-intercepts

• Set the expression equal to zero and solve 

• Factor then set each factor equal to zero and solve to find y-intercepts

Tags

CCSS.HSA-REI.B.4B

What are the zeros of the given graph? Choose all that apply

• -3

• 1

• 3

• -1

Tags

CCSS.HSA.APR.B.3