Algebra II Flashcard 10 (Fall Semester Review)

Front

What is the standard form of a parabola?

Back

Front

What does it mean to solve for x in an equation?

Back

To solve for x means to find the value(s) of x that make the equation true.

Front

Back

Front

What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables. The solution is the set of values that satisfy all equations simultaneously.

Front

Back

Front

What is the vertex of a parabola?

Back

The vertex of a parabola is the highest or lowest point on the graph, depending on whether it opens upwards or downwards.

Front

What does the 'a' value in the parabola equation affect?

Back

The 'a' value affects the direction (upward if positive, downward if negative) and the width of the parabola (larger |a| means narrower, smaller |a| means wider).

Front

What is the quadratic formula?

Back

Front

What is the discriminant in a quadratic equation?

Back

Front

What is the difference between linear and quadratic equations?

Back

Linear equations have a degree of 1 and graph as straight lines, while quadratic equations have a degree of 2 and graph as parabolas.