Roots Quadratic Graph

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

How many roots does this parabola have? 

• 3

• 2

• 0

• 1

Tags

CCSS.HSF-IF.C.7A

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

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3

• x = 2 or x = -3

• The are no real roots

• x = 2 or x = 3

Tags

CCSS.HSF-IF.C.7C

Which equation below is a quadratic?

• y=9x+5

• y=3x²-6

• y=5x³+6

• x=3^x

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

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

• -5, 2

• -5, -2

• 5, -2

• 5, 2

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Where the parabola (U shape) crosses the x-axis.

• Domain

• Range

• Y-intercept

• X-intercept

Tags

CCSS.HSF-IF.C.7A

An equation that can be written in the form y = ax² + bx + c

• Quadratic equation

• Polynomical equation

• Linear equation

• Maxical equation