Quadratic Functions and Graphs

y = 1/2 x² + 2x - 1; identify a, b, and c.

• a = 1/2, b = 2, c = 1

• a = 1/2, b = 2, c = -1

• a = 1, b = 2, c = 3

Which equation best represents the graph?

• y = 2(x - 4)² + 5

• y = 2(x + 4)² + 5

• y = -2(x - 4)² + 5

• y = -2(x + 4)² + 5

Tags

CCSS.HSF-IF.C.7A

The table includes four points on the graph of a quadratic equation. Which graph represents the same quadratic equation as the table?

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• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

Tags

CCSS.HSF-IF.C.7A

Tags

CCSS.HSF-IF.C.7A

Given the equation: y = -(x - 4)² - 3,

does this parabola have a maximum or minimum value?

• Maximum

• Minimum

Tags

CCSS.HSF-IF.C.7A

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

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

Tags

CCSS.HSF-IF.C.7A