Number Quantities, Equations and Expressions

Front

What is a quadratic equation?

Back

Front

What are the solutions to a quadratic equation called?

Back

The solutions to a quadratic equation are called the roots or x-intercepts, which can be found using factoring, completing the square, or the quadratic formula.

Front

What is the opposite operation of squaring a number?

Back

The opposite operation of squaring a number is taking the square root.

Front

What happens to the inequality sign when you multiply or divide both sides by a negative number?

Back

When you multiply or divide both sides of an inequality by a negative number, you must change the direction of the inequality sign.

Front

What is an exponential equation?

Back

Front

What is the standard form of a quadratic equation?

Back

Front

How can you find the vertex of a quadratic function?

Back

Front

What is the discriminant in a quadratic equation?

Back

Front

What does it mean if the discriminant is positive?

Back

If the discriminant is positive, the quadratic equation has two distinct real roots.

Front

What does it mean if the discriminant is zero?

Back

If the discriminant is zero, the quadratic equation has exactly one real root (a repeated root).