Math 9

Front

What is a quadratic equation?

Back

Front

What is the standard form of a quadratic equation?

Back

Front

What does it mean for an equation to be quadratic?

Back

An equation is quadratic if the highest exponent of the variable is 2.

Front

Identify the quadratic equation from the following: x^2 - 4x + 4 = 0, 5x + 3 = 0, 2x^3 - 3x + 1 = 0.

Back

Front

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Front

What is the discriminant of a quadratic equation?

Back

Front

What does a positive discriminant indicate?

Back

A positive discriminant indicates that the quadratic equation has two distinct real roots.

Front

What does a zero discriminant indicate?

Back

A zero discriminant indicates that the quadratic equation has exactly one real root (a repeated root).

Front

What does a negative discriminant indicate?

Back

A negative discriminant indicates that the quadratic equation has no real roots, but two complex roots.

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