Quadratic Intercepts and Zeroes

How many roots does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

The equation y = x² + 3x - 18 is graphed.  Based on this graph, what are the roots (x-intercepts) of the equation x² + 3x - 18 = 0?

• -3 and 6
• 0 and -18
• 3 and -6
• 3 and -18

The equation y = x²  is graphed.  Based on this graph, what are the roots of the equation x²  = 0?

• 0
• -1 and 1
• 2 and 0
• y

How many solutions (roots) does this graph have?

• one
• two
• no solutions
• cannot be determined

Which equation below is a quadratic?

• y=9x+5
• y=3x²-6
• y=5x³+6
• x=3^x

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 the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (-8, -7)
• (0, -7)

Use the graph to determine the solutions.
*Hint: Solutions = roots = zeros = x-intercepts

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

What is the y-intercept of 
f(x)=2x² + 4x + 6

• (6 , 0)
• (-6 , 0)
• (0, -6)
• (0 , 6)

Tags

CCSS.HSF-IF.C.7A