Quadratics, Complex Numbers, & Algebra Test Review

Complex Operations

100

(-2+8i)-(-7+2i)

5 + 6i

200

(2i)(-7i)(7 + 4i)

98+56i

300

(-7-4i)²

33+56i

400

(4i)(5-5i)+3(7i)

20 + 41i

500

-4-2i/-6i

-2i+1/3

Factoring & Quadratics

100

x² - x - 56

(x+7)(x+8)

200

2n²-16n+14=0

(7,1)

300

r²-12r-53=9

6+/-7*square root of 2

400

5r²+4=-61

+/-i*square root of 13

500

9v²+2v-1=-3

-1+/-i*square root of 17/9

Discriminant & Polynomials

100

9x-6/3

3x-2

200

5n²+8n-4=0

144, 2 real solutions

300

(8x³y²)(-3x²y³)

-24x⁵y⁵

400

(7j³-2)+(5j³-j-3)

12j³-j-5

500

(8x²-3x)-(5x-5-8x²)

16x²-8x+5

Rationals & Radicals

100

Square root of x = 10

100

200

6 = square root of v-2

38

300

4x-12/10x-30

2/5;3

400

1/5-b*b²-4b-5/7

-b-1/7;5

500

4/7n-3/n-1

-17n-4/7n(n-1)

Systems Of Equations

100

i¹¹³

i

200

y+5=10

x-5+y=0

(0,5)

300

-z=16

x+z=42

y-2x-z=-48

x=58

y=52

z=-16

400

x-5y=-5

-4x-2y=20

(-5,0)

500

x²+y²=17

x+y=5

(4,1) & (1,4)