Solving Radical and Quadratic Equations

Front

What is a radical equation?

Back

An equation that involves a variable within a radical (square root, cube root, etc.).

Front

What is the square root of a number?

Back

A value that, when multiplied by itself, gives the original number.

Front

What does the symbol 'i' represent in mathematics?

Back

Front

What is the quadratic formula?

Back

Front

What is the discriminant in a quadratic equation?

Back

Front

What does it mean if the discriminant is positive?

Back

The quadratic equation has two distinct real solutions.

Front

What does it mean if the discriminant is zero?

Back

The quadratic equation has exactly one real solution (a repeated root).

Front

What does it mean if the discriminant is negative?

Back

The quadratic equation has no real solutions (the solutions are complex).

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Back

Front

When do you use the plus or minus (±) symbol in solving equations?

Back

After taking the square root of both sides of an equation.