Vertex Form of a Quadratic

Which of the following equations matches standard form of a quadratic?

• y = a(x - h)² + k

• y = ax² + bx + c

• ax + by = cy

What is the green dashed line called?

• parabola

• roots or x-intercepts

• axis of symmetry

• line of dashes

Tags

CCSS.HSF-IF.C.7A

If given the equation

y = 3(x + 5)² - 4,

what is the vertex of the parabola?

• (-15, -4)

• (5, -4)

• (-5, -4)

• (15, -4)

Find the vertex. y = x²+ 16x + 71

• V(-8, 3)

• V(-8, 7)

• V(8, 10)

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

• (5, 2); opens up

• (-5, 2); opens up

• (5, 2); opens down

• (-5, 2); opens down

Which value is the vertex?

• (-4, 0)

• (-1, -9)

• (0, -8)

• (2, 0)

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Tags

CCSS.HSF-IF.C.7A

What is the vertex of this quadratic equation?

• (-2,4)

• (2,4)

• (4,-2)

• (-4,2)

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

Tags

CCSS.HSF-IF.C.7A

Identify where the function is decreasing.

Tags

CCSS.HSF-IF.C.7A