Interpreting Parabolas

The equation of the parabola is:

• y = x + 2

• y = x² + 2

• y = x - 2

• y = x² - 2

Tags

CCSS.HSF-IF.C.7A

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

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

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

Tags

CCSS.HSF-IF.C.7A

What is the maximum/minimum of a parabola called?

• vertex

• point

• top

• bottom

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

What is the axis of symmetry for the following quadratic function: f(x)=1/2(x-4)²+3

• x=4

• x=-4

• x=1/2

• x=3