5.01 Mastery Check - Investigating Quadratics

Which graph is a parabola?

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Which equation would give the graph of a parabola?

• y = 2x - 3

• y = x₂ + 1

• y = x² + 4

Which best describes the vertex of a parabola?

• Any point on the parabola.

• A point on the x-axis.

• The highest or lowest point of a parabola (maximum and minimum)

• A point on the y-axis.

Does this parabola have a maximum or a minimum. How do you know?

• This parabola has a minimum. I know this because it opens up.

• This parabola has a minimum. I know this because it opens down.

• This parabola has a maximum. I know this because it opens up.

• This parabola has a maximum. I know this because it opens down.

What is the vertex?

• (4,-4)
• (2,0)
• (0,2)
• (6,0)

What are the x- intercepts?

• (0, 0) and (0, -4)

• (0, 0) and (4, 0)

• (0, 0)

• (2, 0)

What is the y-intercept?

• (0,0)
• (4,0)
• (0,4)
• (2,-2)

What is the axis of symmetry?

• x=-1
• x=-2
• y=-1
• y=-2