Finding Zeros of Quadratics from a Graph

Calculate the zeros of the quadratic.

• x = 2 and -3
• x = 0 and 9/4
• x = 0 and 4/9
• x = 1/2 and 1/3

Tags

CCSS.HSA-REI.B.4B

Calculate the zeros of the quadratic.

• x = 6 and 3
• x = 1 and 0
• x = 0 and 3
• x = 3 and 1

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is another name for the x-intercepts of a quadratic?

• y-intercept
• Zeros
• x-axis
• They don't have another name

Tags

CCSS.HSF-IF.C.7C

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

Tags

CCSS.HSF-IF.C.7D

Which is an x-intercept of the function?

• undefined
• 1
• 2
• -1

Tags

CCSS.HSF-IF.C.7A

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

• vertices
• squares
• zeros
• formulas

Tags

CCSS.HSF-IF.C.7A

Name the x-intercept(s)?

• (0, 0)
• (2, 4)
• (0, 0) and (0, 4)
• (0, 0) and (4, 0)

What are the zeros of the function
f(x)= -4(x - 3)(x+5)?
*Hint: Type the function into y= 

• -12 and 20
• -5 and 3
• -4 and -5
• -3 and 5

Tags

CCSS.HSF-IF.C.7C

What are the zeros of the quadratic function?
y = x² - 2x - 15

• x = -2
  x = -15
• x = -3
  x = 5
• x = 3
  x = -5
• x = 1
  x = -16

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which graph has the x intercepts of -2 and 1?

• y = 2x -1
• y = x²-2x +1
• y = x²+x-2
• y=x²-x-2

Tags

CCSS.HSF-IF.C.7A