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Unit1

100

What does i² mean 

Negavtive

200

solve 

−√−72

−6i√2

300

solve 

(−3+3i)+(7–2i)

4+i

400

solve √-24 x √-42

-12√7

500

solve 2(1-5i)(-3-6i)

-16 + 8i

Unit 2

100

1. x2 - 9 x + 20 = 0

(x - 4) (x - 5)

200

x2 - 2 x - 15 = 0

(x - 5) (x + 3)

300

x² - 7 x + 12 = 0

(x - 4) (x - 3)

400

x² + 10 x + 24 = 0

(x + 6) (x + 4)

500

x² - 3 x - 28 = 0

(x - 7) (x + 4)

Unit 3

100

Find zeros 

x + 5

x=-5

200

find zeros

f ( x) = x² – 8 x – 9.

x=-1

x=9

300

find zeros

P(x)=x⁴−3x³−5x²+3x+4

x=−1(multiplicity 2)

x=1

x=4

400

find zeros

f(x)=2x³−13x²+3x+18

x=−1 x=32 x=6

500

find zeros

g(x)=8x⁵+36x⁴+46x³+7x²−12x−4

x=−12(multiplicity 2)

x=−2(multiplicity 2)

x=12

Unit 4

100

Find excluded value 2x/(x − 3)

{3}

200

Find excluded values 30v-36 / 42v

5v-6 / 7v ; {0}

300

h(x)=(8x+5)/(x³+3x²−x−3)

{1,-1,-3}

400

find excluded values 1/3x = 1/x + x-4/ 3x2

{4/3}

500

g(t)=5t/(3t²+20t−7)

{1/3,-7}

Random

100

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

-8-11i

200

i⁹⁷

i

300

(8r⁴-40r³-2r+12) divided by (r-5)

8r³-2+2/r-5

400

expand (x+3)⁴

x⁴ + 12x³ + 54x² + 108x + 81

500

4⁴

1024