Math lecture 2 Flashcards
1
Q
How do we test real life situations?
A
We make smaller models of the lifelike situation through blueprints etc
2
Q
Associative law
A
Grouping doesn’t matter with + or x
3
Q
Commutative
A
Order of + or x doesn’t matter
4
Q
Distributive law
A
mixing x and +
5
Q
Order of operations
A
BEDMAS
6
Q
What is 1/2 x 1/3
A
Think of it as 1/3 of 1/2 for fractions like this
7
Q
aˆ-n
A
1/aˆn
8
Q
(a/b)ˆn
A
aˆn/bˆn
9
Q
aˆ1/n
A
n√a
10
Q
y = aˆx
A
log(a)y = x
11
Q
x = eˆy
A
ln x = y
12
Q
What are logs?
A
Inverse of exponentials
13
Q
logM^n
A
nlogM
14
Q
n = ?
A
total time for division/time for one division
15
Q
Trig functions aka?
A
Circular functions
