Solve using the quadratic formula with complex solutions

Solve using the quadratic formula with complex solutions

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a quadratic equation using the quadratic formula?

Find the sum of a, b, and c

Calculate the square root of b

Label the coefficients a, b, and c

Multiply a and c

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the discriminant help determine in a quadratic equation?

The product of the roots

The nature of the roots

The vertex of the parabola

The sum of the roots

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the discriminant calculated in a quadratic equation?

a^2 - b^2 + c^2

a^2 + b^2 - c^2

2a + 3b - 4c

b^2 - 4ac

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of roots does a quadratic equation have if the discriminant is negative?

No roots

Two complex roots

One real root

Two real roots

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When solving a quadratic equation with a negative discriminant, what mathematical concept is used?

Integer number system

Rational number system

Real number system

Complex number system