Standard Form Factored Form Vertex Form

Identify the vertex.

• (5, 2)

• (5, -2)

• (-5, 2)

• (-5, -2)

What is the vertex of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

What form is this equation?

x² + 5x - 7 = 0

• Vertex Form

• Standard Form

• Factored Form

Which quadratic equation models the parabola shown?

• y = (x-2)(x-5)

• y = (x+2)(x+5)

• y = -(x+2)(x+5)

• y = -(x-2)(x-5)

What is the vertex of this function?

• (0, -3)

• (1, -4)

• (-2, 5)

• {-1, 3}

Convert the equation from vertex form to standard form.

• y = -5x² - 20x - 30

• y = -5x² - 4x - 10

• y = 25x² + 100x + 90

• y = 25x² - 10x - 30

In a quadratic equation, ​ (a)   controls the width of the parabola and direction of opening while ​ (b)   controls the shift up and down. In vertex form, ​ (c)   represents the axis of symmetry while ​ (d)   represents the vertical shift of the vertex.

• a

• c

• h

• k

• b

• d

• q

• v

What is the vertex?

• (-2,0)

• (0,0)

• (0,-4)

• (2,0)

• A
• B
• C
• D

Which of the following statements are TRUE?

• The "a" value is positive.

• The y-intercept is positive.

• It has two zeros.

• The axis of symmetry is x = 1.

• The vertex is at (0, 5).