Quadratics Review/Practice

Find the RANGE

• {y| y ≥ 4}

• {y| y ≥ -4}

• {y| y < 4}

• {y| y ≤ 4}

What is the "minimum point" of a parabola also called?

• The Vertex

• The Axis of Symmetry

• The Roots

• The Zeros

Find the Axis of Symmetry: x = -(b) / 2(a)

• x = 2

• x = -2

• x = -2/3

• x = 4

Find the VERTEX, given that the axis of symmetry is x= -2

• (-2, -2)

• (-2, 2)

• (2, 2)

• (2, -2)

Which picture matches the Vertex at (-2, 2)

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• 
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What are the x-intercepts? (2 answers)

• (1,0)

• (4,0)

• (-1,0)

• (-4,0)

What is the y-intercept? (the constant)

• (-4,0)

• (4,0)

• (0, -4)

• (0, 4)

Find the Axis of Symmetry: x = -(b)/ 2(a)

• x= -1.5

• x= 1.5

• x = 1

• x = -1

How can I find the "minimum point" of the function if I have the Axis of Symmetry? (x= -1.5)

• I have to factor the equation

• I have to complete the square

• I have to set the equation equal to zero

• I have to substitute the value into the original equation

In what form is this quadratic expression?

• Standard Form

• Vertex Form

• Factored Form