Parabolas

What is the maximum/minimum of a parabola called?

• vertex

• point

• top

• bottom

The axis of symmetry is a line that goes through the...

• y-intercept

• any random point

• vertex

• x-axis or y-axis

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

• A point on the y-axis.

Which graph is a parabola?

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Tags

CCSS.HSF-IF.C.7A

Which equation would give the graph of a parabola?

• y = 2x - 3

• y = x₂ + 1

• y = x² + 4

Tags

CCSS.HSF-IF.C.7A

How can you tell whether a parabola is facing up or facing down by looking at the equation?

• The vertex tells you the direction of the opening

• The value of "a" tells you the direction of the opening.

• All parabolas open upward

• All parabolas open downward

If the a value is positive in the equation of y = ax² + c, which direction does the graph open?

• up

• down

• left

• right

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept of the parabola?

• -4

• 4

• -3

• 0

Tags

CCSS.HSF-IF.C.7A

Which equation will result in the parabola being a narrower graph?

• y = 2x² + 1

• y = 7x² - 1

• y = 0.5x² + 1

• y = x²

Which of the following graphs could be y = 5x² + 1?

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Tags

CCSS.HSF-IF.C.7A