Quadratic Review

Solve: x² + 3x - 18 = 0

• x = -3 and x = 6

• x = 3 and x = -6

• x = -9 and x = 2

• x = 9 and x = -2

Tags

CCSS.HSA-REI.B.4B

Find the zero(s) of the function: y = x² + 4.75x + 4.375

• 3.5 and 1.25

• 3 and 1.33

• -3 and 1.33

• -3.5 and -1.25

Tags

CCSS.HSA-REI.B.4B

What is the vertex of the parabola:
y = -12x + 22 + 2x²

• (3,4)
• (-3,4)
• (3, -4)
• (-3,-4)

What are the x-interepts for the graph of the function:  y = x² - 3x - 10 

• -5, 2
• -5, -2
• 5, -2
• 5, 2

Tags

CCSS.HSF-IF.C.7A

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

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

How many roots does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

What is a, b, and c in 3x² + 4 = 5x?

• a = 3, b = -5, c = 4
• a = 3, b = 5, c = 4
• a = 3, b = 5, c = -4
• a = 3, b = -5, c = -4

Find the zeros of the equation: 
(x+10)(x-2) = 0

• 10 and 2
• -2 and 10
• -10 and 2
• -2 and -10

Tags

CCSS.HSA.APR.B.2

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis