How Many Solutions?
Finding All Solutions
Finding All Solution 2
Simplifying Square Roots
100
When the discriminant equals zero?
What is 1 real solution.
100

3x2 - 13x - 56

What is x=7 and x=-8/3
100

x2 - 3x - 3

What is 3+/- v(21)/2
100
√50
What is 5√2
200
When the discriminant is greater than 0.
What is 2 real solutions
200

-16x2 - 76x - 48

What is x=4, x=-3/4
200

x2 + 5x + 5

What is -5+/- v(5)/2
200

√-175

What is 5i√7

300
When the discriminant is less than zero.
What is no real solutions/2 complex solutions
300

x2 - 5x - 24

What is 8, -3

300

x2 + x - 1

What is -1+/- v(5)/2
300

√-220

What is 2i√55

400

x2 + 4x - 5

What is 2 real solutions

400

4x2 + 11x - 20

What is -4, 5/4

400

4x2 + 8x - 1=0

What is -2+/- v(5)/2

400

√-336

What is 4i√21

500

x2 + 4x + 5

What is no real solutions/2 complex solutions

500

-x2 +2x - 10 = 0

1 +- 3i

500

2x2 -3x +5=0

3/4   +-   i sqrt(31)/ 4

500

√972

What is 18√3

M
e
n
u