Unit 4a Test Review - Edited

Front

What is a linear function?

Back

A linear function is a function that graphs to a straight line, characterized by a constant rate of change (slope).

Front

What is a quadratic function?

Back

Front

What are the characteristics of a quadratic function's graph?

Back

The graph of a quadratic function is a parabola that opens upwards or downwards, has a vertex, and may intersect the x-axis at 0, 1, or 2 points.

Front

What does it mean for a quadratic to have equal roots?

Back

A quadratic has equal roots when its discriminant (b^2 - 4ac) is zero, indicating that the parabola touches the x-axis at one point.

Front

How do you find the vertex of a quadratic function?

Back

Front

What is the square root property in solving quadratics?

Back

Front

How do you solve a quadratic equation by factoring?

Back

Front

What is the quadratic formula?

Back

Front

What are the x-intercepts of a function?

Back

The x-intercepts of a function are the points where the graph intersects the x-axis, found by setting the function equal to zero.

Front

What is the significance of the second differences in a sequence?

Back

The second differences of a sequence indicate whether the sequence is quadratic; if the second differences are constant, the sequence is quadratic.