Quadratic Formula

Quadratic formula

100

solve using the quadratic formula: 

x²+4x+3=0

x= -1,-3

200

solve using quadratic formula :

-2x²-1x=-15 

x=-3, 2.5

300

solve by using the quadratic formula:

x²+6x+5=0 

x= -5,-1 

400

solve using the quadratic formula: 

-3x²+8x+7=0 

x= -0.69, -3.36

500

solve by using the quadratic formula:

6x²= 42 

x= 2.65, -2.65

Quadratic formula

100

solve using the quadratic formula:

x²-6x+9=0

x= 3

200

 solve using the quadratic formula :

2x²+4x-6=0

x=-3 , x=1

300

solve using the quadratic formula:

x² + 3x – 4 = 0

x= -4,1 

400

solve using the quadratic formula: 

2x²-3x-5=0 

x= 2.5, -1

500

solve using the quadratic formula : 

x² – 4x – 8 = 0

x= 5.46, -1.46

Word Problem #1

100

What is the initial height?

6 Feet

200

What time does the basketball reach it's max height?

1.25 seconds

300

What is the height of the ball after 2 seconds?

22 Feet

400

What is Mr. A's favorite color?

Blue

500

What is the time when the ball hits the ground?

2.64 seconds

Word Problem #2

100

What is the initial height?

10 Meters

200

What time does the rocket reach its maximum height?

3 seconds

300

What is the height of the rocket at 3 seconds?

55 Meters

400

What is Mr. A's favorite sport to watch?

Football

500

What time does the rocket hit the ground?

6.32 seconds