Quadratic 3 Test (word probs/characteristics/transformations)

Front

What is the vertex of the quadratic function f(x) = -2x² - 16x + 3?

Back

(-4, 35)

Front

What key feature indicates the time it took for a rocket to reach the ground in a quadratic function?

Back

Positive x-intercept

Front

What is the highest or lowest point on a quadratic called?

Back

Vertex

Front

In a graph showing the height of a soccer ball over time, what does it mean if the ball hits the ground at 6 seconds?

Back

The soccer ball returns to a height of 0 feet.

Front

What does it mean if a quadratic function is reflected over the x-axis?

Back

The graph opens downwards.

Front

If a quadratic function is shifted up by 4 units, how does its vertex change?

Back

The y-coordinate of the vertex increases by 4.

Front

What is the axis of symmetry in a quadratic function?

Back

A vertical line that divides the parabola into two mirror-image halves.

Front

How do you find the x-intercepts of a quadratic function?

Back

Set f(x) = 0 and solve for x.

Front

What does the y-intercept of a quadratic function represent?

Back

The value of f(x) when x = 0.

Front

If a quadratic function has a positive leading coefficient, what direction does the parabola open?

Back

Upwards.