Math review Flashcards
1
Q
any integer divisible by 2
A
is even integer
2
Q
any integer not divisible by 2 is
A
odd integer
3
Q
if at least one factor is even, the the product is
A
even
4
Q
if both are odd, then product is
A
odd
5
Q
if both integers are even or odd, then sum/differene is
A
even
6
Q
if one integer is even and other is odd, then sum/difference is
A
odd
7
Q
sum of the interior angles of a polygon equation
A
(n-2)180
8
Q
distance =
A
rate *time
9
Q
working together or alone rate problem formula:
A
1/r + 1/s = 1/h
each variable is in hours
10
Q
interest problem: simple annual int formula
A
princ * interest rate * time
11
Q
gross profit =
A
revenues - cost
12
Q
pi =
A
3
13
Q
sq rt (1)
A
1
14
Q
sq rt(2)
A
1.4
15
Q
sq rt(3)
A
1.7
