QSE #2 Practice Test

Front

What is the quadratic formula?

Back

Front

How do you find the minimum value of a function in a given interval?

Back

To find the minimum value of a function in an interval, evaluate the function at the endpoints of the interval and at any critical points within the interval. The smallest value among these is the minimum.

Front

Back

Front

What is an x-intercept?

Back

An x-intercept is the point where a graph crosses the x-axis, meaning the y-coordinate is zero. It can be found by setting the function equal to zero and solving for x.

Front

What is a y-intercept?

Back

A y-intercept is the point where a graph crosses the y-axis, meaning the x-coordinate is zero. It can be found by evaluating the function at x = 0.

Front

How do you find the vertex of a quadratic function?

Back

Front

What does it mean if a quadratic equation has no real solutions?

Back

Front

What is the discriminant in the quadratic formula?

Back

Front

What is the significance of the vertex in a quadratic function?

Back

The vertex represents the maximum or minimum point of the quadratic function, depending on the direction of the parabola (opening upwards or downwards).

Front

How do you determine if a function is increasing or decreasing?

Back

A function is increasing on an interval if the derivative is positive in that interval, and decreasing if the derivative is negative.