The Quadratic Formula (Real and Complex Solutions)

9 Slides • 5 Questions

1

The Quadratic Formula (Real and Complex Solutions)

How do I solve quadratic equations using the quadratic formula?

2

The quadratic formula is a useful tool for finding solutions, particularly when an equation cannot be factored easily.

How do I solve quadratic equations using the quadratic formula?

3

How do I solve quadratic equations using the quadratic formula?

4

How do I solve quadratic equations using the quadratic formula?

5

Multiple Choice

Solve using the quadratic formula.

$p^2+4p-5=0$

1

$\left\{1,\ -5\right\}$

2

$\left\{1\right\}$

3

$\left\{5,-2.5\right\}$

4

$\left\{1,\ -2.5\right\}$

6

Multiple Choice

Solve using the quadratic formula.

$r^2-2r+4=0$

1

$\left\{1\right\}$

2

$\left\{1+i\sqrt[]{3},\ 1-i\sqrt[]{3}\right\}$

3

$\left\{1.618,\ -0.618\right\}$

4

$\left\{\frac{1+i\sqrt[]{3}}{2},\ \frac{1-i\sqrt[]{3}}{2}\right\}$

7

Using the discriminant.

How do I solve quadratic equations using the quadratic formula?

8

How many real roots will the quadratic function have?

How do I solve quadratic equations using the quadratic formula?

9

How many real roots will the quadratic function have?

How do I solve quadratic equations using the quadratic formula?

10

How many real roots will the quadratic function have?

How do I solve quadratic equations using the quadratic formula?

11

Multiple Choice

How many real roots will the quadratic funtion have?

$16x^2+8x+1=0$

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0

2

1

3

2

4

3

12

Multiple Choice

How many real roots will the quadratic funtion have?

$2x^2-5x+6=0$

1

0

2

1

3

2

4

3

13

Multiple Choice

How many real roots will the quadratic funtion have?

$x^2+4x-5=0$

1

0

2

1

3

2

4

3

14

Individual Work/Homework

Complete the assignment "Quadratic Formula Practice" on Canvas.

How do I solve quadratic equations using the quadratic formula?

The Quadratic Formula (Real and Complex Solutions)

How do I solve quadratic equations using the quadratic formula?

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