Graphics Parabolas

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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Which equation would result in the parabola being wider?

• y = 0.5x² + 2

• y = x²

• y = 10x² + 7

• y = - 3x² - 2

What is the correct graph for the equation y = - 0.5x² + 2

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If the a value is negative in the equation y = ax² + c , which direction does the parabola open?

• up

• down

• left

• right

What is the vertex of this quadratic equation?

y = 2(x + 2)² + 4

• (-2,4)

• (2,4)

• (4,-2)

• (-4,-2)

What do we call the graph of a quadratic function?

• parabola

• linear

• cubic

• sinusoidal

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

• y-intercept

• any random point

• vertex

• x-axis or y-axis

What is the green dashed line called?

• roots or x-intercepts

• parabola

• Axis of symmetry / Line of symmetry

• line of dashes

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up

• (5, 2); opens down

• (-5, 2); opens up

• (-5, 2); opens down