Graphing Quadratic Functions in Standard Form

What is the axis of symmetry for the parent function of a quadratic equation?

• x = c

• y = 0

• x = 0

• y = c

If a quadratic function is vertically translated up by 3 units, what is the value of c?

• c = -3

• c = 0

• c = 3

• c = 6

How does a negative value of c affect the graph of a quadratic function?

• It shifts the graph down.

• It shifts the graph to the right.

• It stretches the graph vertically.

• It reflects the graph over the y-axis.

What is the effect of a vertical stretch by a factor of 3 on a quadratic function?

• The graph shifts up.

• The graph becomes narrower.

• The graph becomes wider.

• The graph shifts down.

Which transformation occurs when a quadratic function is reflected in the x-axis?

• The graph shifts left.

• The graph shifts right.

• The graph opens downward.

• The graph opens upward.

What is the vertex of the function f(x) = x^2 - 4?

• (0, 4)

• (0, -4)

• (4, 0)

• (-4, 0)

How is the function g(x) = -1/2x^2 - 2 derived from f(x) = -1/2x^2 + 3?

• By adding 5 to f(x)

• By multiplying f(x) by 2

• By dividing f(x) by 2

• By subtracting 5 from f(x)

What is the y-intercept of the function r(x) = 2x^2 - 1?

• (0, 1)

• (0, -1)

• (-1, 0)

• (1, 0)

Which of the following describes a vertical shrink by a factor of 1/4?

• The graph becomes narrower.

• The graph becomes wider.

• The graph shifts up.

• The graph shifts down.

What is the vertex of the function g(x) = -1/2x^2 - 2?

• (-2, 0)

• (2, 0)

• (0, -2)

• (0, 2)