All About Quadratic Functions

What is the parent function of a quadratic equation?

• f(x)=x

• f(x)=x²

• f(x)=ax²+bx+c

• f(x)=a(x-h)²+k

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.C.7

What is the standard form of a quadratic equation?

• f(x)=x

• f(x)=x²

• f(x)=ax²+bx+c

• f(x)=a(x-h)²+k

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CCSS.HSA.SSE.B.3

What is a vertex?

• where the graph crosses the x-axis
• the y-intercept
• the maximum or minimum of the graph
• where the slope is vertical

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CCSS.HSF.IF.B.4

Which is the vertex of f(x) = x²+ 16x + 71 ?

• V(-8, 7)

• V(-8, 3)

• V(8, 10)

• V(16, -2)

Tags

CCSS.HSA.REI.B.4

Which point is the vertex?

• (-8, 0)

• (-5, -9)

• (-2, 0)

• (-9, -5)

Tags

CCSS.HSF-IF.C.7A

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A

What is the formula above primarily used for?

• Finding the axis of symmetry from standard form
• Finding the vertex from standard form
• Finding the vertex from vertex form
• Finding the vertex from standard form

Tags

CCSS.HSA.REI.B.4

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

Tags

CCSS.HSA.REI.B.4

Which variable tells us whether the parent function is a vertical stretched or a vertical shrink?

• y

• a

• x

• b

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CCSS.HSF.BF.B.3

Determine the domain and range of the function

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -4, Range: All real numbers

• Domain: All real numbers, Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5, Range: y ≥ -4

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5