Quadratic basics

Which graph represents a quadratic function?

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• 
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Tags

CCSS.HSF-IF.C.7A

The graph of a quadratic function is called a

• line
• curve
• u
• parabola

Tags

CCSS.HSF-IF.C.7A

Identify the a, b, and c values of the quadratic function in general form.

f(x) = 3x² - 7x + 12

• a = 12, b = -7, and c = 3

• a = 3, b = -7, and c = 12

• a = -7, b = 3, and c = 12

• a = -3, b = 7, and c = 12

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Tags

CCSS.HSF-IF.C.7A

What is the vertex of this quadratic?

• (4,0)
• (0,0)
• (2,-4)
• (-4,2)

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

What is the standard form of a quadratic equation?

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Identify the 'a' in this quadratic equation.

f(x) = -2x² + 4x - 6

• -2

• 4

• -6

• none

Identify the 'b' in this quadratic equation.

f(x) = -2x² + 4x - 6

• -2

• 4

• -6

• none

Identify the 'c' in this quadratic equation.

y = 5x² - 20x + 13

• 5

• 20

• -20

• 13