Quadratic formula and discriminant

Front

What is the quadratic formula?

Back

Tags

CCSS.HSA-REI.B.4B

Front

What does the discriminant tell us about the solutions of a quadratic equation?

Back

The discriminant determines the number of real solutions: if > 0, two solutions; if = 0, one solution; if < 0, no real solutions.

Tags

CCSS.HSA-REI.B.4B

Front

What is the formula for the discriminant of a quadratic equation?

Back

Tags

CCSS.HSA-REI.B.4B

Front

Back

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

Front

If the discriminant of a quadratic equation is equal to 4, how many real solutions are there?

Back

Two real solutions.

Tags

CCSS.HSA-REI.B.4B

Front

Back

Tags

CCSS.HSA-REI.B.4B

Front

Back

Tags

CCSS.HSA-REI.B.4B

Front

What does a negative discriminant indicate about a quadratic equation?

Back

It indicates that there are no real solutions.

Tags

CCSS.HSA-REI.B.4B

Front

How do you calculate the roots of a quadratic equation using the quadratic formula?

Back

Tags

CCSS.HSA-REI.B.4B

Front

What is the significance of the coefficients a, b, and c in a quadratic equation?

Back

They determine the shape and position of the parabola represented by the equation.

Tags

CCSS.HSF-IF.C.7A