Alex and Peter and I guess Xavier: The Best Group

solve for slope

100

Slope of line (2,3)(1,1)

What is m=2

200

Slope of line (520,865)(325,00000075)

What is m=158/39 or 4.05128

300

Slope of line(18,5)(2,1)

What is m=1/4

400

Slope of line (67,85) (85,67)

what is m=-1

500

Slope of line (98765433210,89)(12345678910,76)

What is m=13/86419754300

quadratic

100

what is the quadratic formula 

What is  (-b±√(b²-4ac))/(2a)

                 

200

A takes 6 days less than B to finish a piece of work. If both A and B together can finish the work in 4 days, find the time taken by B to finish the work.

what is 12 days

300

The product of two successive integral multiples of 5 is 300. Then the numbers are:

what is 15,20

400

If a quadratic equation has complex roots, then the value of its discriminant will be

what is less then 0

500

if x^2-2ax+a^2=0, find value of x/a

what is 1

linear

100

75=21x-9

What is x=4

200

100=25x-32x+30

What is x=-10

300

123=4x+56

What is x=67/4 or 67.75

400

5.7-3.2x=19.98

What is x=−4.4625

500

5x-823=-34

What is 789/5 or 157.8

roots

100

Square root of 144

What is 12

200

cubed root of 125

What is 5

300

Square root of 1156

What is 34

400

Cubed root of 1728

What is 12

500

Quad root of 81

What is 3

factoring

100

factor x²+4x+4

what is (x+2)(x+2)

200

factor x²+4x-16

what is (x-4)(x+4)

300

factor  2x²-4x-16

what is 2(x²-2x-8) (x-4)(x+2)

400

Factor 6x²+16x+8

what is 2(3x+2)(x+2)

500

Factor 10x²+50x+1000

what is 10(x²+5x+100)