Quadratic equations
Equations and inequalities
Polynomials
Complex numbers
systems of equations
100

X2+5x+6=0

(X+2)(x+3)=0

X=-2,-3


100

3x/3>-18/3

X>-6

100

6v(2v+3)


12v^2+18v

100

Which expression is equivalent to (4i)3

-64i

100

Y=2x+4

Y=3x+2

X=2

Y=8

200

X2-3x-28=0

(X+4)(x-7)=0

X=-4,7

200

|2x-5|-4=5

X=7 or x=-2

200

(X-3)(6x-2)

6x^2-20x+6

200

Simplify 2/(5+i)

(5-i)/13

200

Y=4x-9

Y=x-3

X=2

Y=-1

300

X2-6x-27=0

(X-9)(x+3)=0

X=9,-3

300

-6-x>-7x+12

X>3

300

(2a-1)(8a-5)

16a^2-18a+5

300

(6+4i)+(12-2i)

18+2i

300

6x+8y=-22

Y=-5

X=3 2/3

400

X2-3x-40=0

(X-8)(x+5)=0

X=8,-5

400

5(2x-3)>-15+20x

X<0

400

(8p-2)(6p+2)

48p^2+4p-4

400

A circuit has a current of (8+7i) amps, and another circuit has a current of (5-3i) amps. What is the difference between the currents of the two circuits?

(3+10i) amps

400

3x-5y=17

Y=-7

X=-6

500

X2-7x+6=0

(X-6)(x-1)=0

X=6, 1

500

2|x-6|+3<11

X<10. And x>2

500
(3m-1)(8m+7)

24m^2+13m-7

500

Product of (2+3i) and (5-4i)

22+7i

500

Y=-5

5x+4y=-20

X=0