Chapter 2

Question 1

Decimal to fraction

Answer 1

Number after decimal is numerator, denominator is 1 followed by as many zeros as decimal places.

Question 2

Fraction to decimal

Answer 2

use division

Question 3

Multiplying with exponents

Answer 3

Add exponents

Question 4

Case 1: Base and Power equal

Answer 4

a^m * a^m = a^m+n

Question 5

Case 2: Bases are different but powers same

Answer 5

a^m x b^m = same. cant simplify

Question 6

Case 3: Base and Power different

Answer 6

a^m * b^n = same cant be simplified

Question 7

X^a/b

Answer 7

bSQRT(x^a)

Question 8

x^-2

Answer 8

1/x^2

Question 9

x^a/b^a

Answer 9

x^a-b

Question 10

Simple interest formula

Answer 10

I=prt

Question 11

Maturity value

Answer 11

A = P(I + r + t)

Question 12

Compound interest formula

Answer 12

A=P(1+r/n)^nt

Review other formulas in notes.

Question 13

Dimensional analysis

Answer 13

convert a number from one unit to another

Question 14

conversion factor

Answer 14

a relationship in the form of an equality

Question 15

solutions with imaginary numbers

Answer 15

if discriminate (b^2-4ac) > 0 two real answers
< 0 2 imaginary answers
= 0 1 real answer

Question 16

complex numbers

Answer 16

real number with imaginary number

Question 17

pattern of imaginary number i

Answer 17

i
-1
-i
1

Question 18

Graphing complex numbers

Answer 18

x-axis is real
y - axis is imaginary