Increasing and Decreasing Quadratics

What is the axis of symmetry?

• the slope of the graph

• the dividing line for a parabola

• a way to spin my pencil

• the x-axis

What is the increasing interval on the function shown?

Does this graph in the back have maximum or minimum value?

• maximum

• minimum

• neither

• both

Is the pattern in the table linear, quadratic or neither?

• linear

• quadratic

• neither

State whether the pattern in the table is linear, quadratic, or neither.

• linear

• quadratic

• neither

What is the vertex of this quadratic equation?

y = 2(x - 2)² + 5

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)

What are the coordinates of the vertex? Is it a maximum or a minimum?

• (2, 3); minimum

• (2, 5); maximum

• (2, 3); maximum

• (2, -3); minimum

• (2, -3); maximum

Answer explanation

When did the ball reach it's maximum height?

• 0.5 seconds

• 9 seconds

• 0 seconds

• 5 seconds

What is the maximum height of the ball?

• 0.5 feet

• 9 feet

• 0 feet

• 5 feet

If the x-intercepts are at 2 and 10, what is the x-value of the vertex? (don't worry about the y-value here)

• (2, __)

• (4, __)

• (6, __)

• (8, __)

• (10, __)