Solving all types of quadratics

A=1

100

Solve the following equation:

x²+2x-15=0

x=3,-5

200

Solve the following equation:

x²+8x+7=0

x=-7,-1

300

Solve the following equation:

x²-7x+12=0

x=3,4

400

Solve the following equation:

x²-x-30=0

x=-5,6

500

Solve the following equation:

x²-x-90=0

x=-9,10

A=-1

100

Solve the following equation:

-x²-8x-7=0

x=-1,-7

200

Solve the following equation:

-x²-2x+24=0

x=-6,4

300

Solve the following equation:

-x²+13x-40=0

x=5,8

400

Solve the following equation:

-x²+x+56=0

x=-7,8

500

Solve the following equation:

-x²+6x-8=0

x=2,4

A>1

100

Solve the following equation:

3x²-2x-5=0

x=-1,5/3

200

Solve the following equation:

3x²-8x+4=0

x=2/3,2

300

Solve the following equation:

2x²+11x+5=0

x=-5,-1/2

400

Solve the following equation:

7x²+53x+28=0

x=-7,-4/7

500

Solve the following equation:

4x²-15x-25=0

x=-5/4,5

Quadratic Formula

100

Solve the following equation using the quadratic formula:

x²-5x-14=0

x=-2,7

200

Solve the following equation using the quadratic formula:

x²+4x+3=0

x=-3,-1

300

Solve the following equation using the quadratic formula:

4x²+8x+3=0

x=-3/2,-1/2

400

Solve the following equation using the quadratic formula:

2x²+9x=-7

x=-7/2,-1

500

Solve the following equation using the quadratic formula:

2x²-7x-13=-10

x= [7+sqrt(73)]/4

     [7-sqrt(73)]/4

0>A>1

100

Solve the following equation:

0.5x²-5.5x+5=0

x=1,10

200

Solve the following equation:

0.25x²+x-3=0

x=-6,2

300

Solve the following equation:

0.1x²+1.1x+1.8=0

x=-9,-2

400

Solve the following equation:

0.4x²-2x+2.4=0

x=2,3

500

Solve the following equation:

0.01x²+0.06x+0.08=0

x=-2,-4