skill 21 Quadratic Equations ( prior to re-assessment)

Front

What is the discriminant in a quadratic equation?

Back

Front

Back

Front

Back

a = 2, b = -3, c = -5.

Front

Back

It has 1 solution.

Front

What is the standard form of a quadratic equation?

Back

Front

What does it mean if the discriminant is positive?

Back

If the discriminant is positive, the quadratic equation has 2 distinct real solutions.

Front

What does it mean if the discriminant is zero?

Back

If the discriminant is zero, the quadratic equation has exactly 1 real solution (a repeated root).

Front

What does it mean if the discriminant is negative?

Back

If the discriminant is negative, the quadratic equation has 2 complex (imaginary) solutions.

Front

Back

Front

What is the vertex form of a quadratic equation?

Back