funtions
x= 1 2 3 2 5 what's y?
y= 1 2 8 16 32
natural number definition?
all whole numbers not including 0.
22 or 2 x 2 = ?
4
square root of an number?
x
Boys 18 17 35 Girls 22 33 55 Total?
40 50 90
input what's output?
-3
-2
-1
0
1
2
3
5
6
7
8
9
10
11
integers definition?
whole numbers that can be positive or negative or 0.
32 or 3 x 3 = ?
9
4 and -4 are?
square root of 16
type A 4 5 9 type B 2 3 5 total?
6 8 14
input what's output?
-3
-2
-1
0
1
2
3
-2
-2
-2
-2
-2
-2
-2
rational number definition?
a real number that can not be written over as a ratio between two numbers (fractions)
42 or 4 x 4 = ?
16
42 means?
4 x 4
what's step one to create a two-way table?
identify 2 irrelevant variables.
input: what's output?
-3
-2
-1
0
1
2
3
7
5
3
-1
-3
-5
-7
perfect square definition?
a number that has an exact square root.
52 or 5 x 5 =
25
52 means ?
5 x 5
when can two way tables be used?
sort a group in two ways.
f(x) = 7x + 7
x
0
-2
-7
4
1
y:
7
-7
-42
35
14
whole number definition?
numbers that are positive, starting at 0 and increasing.
62 or 6 x 6 = ?
36
62 means?
6 x 6
how can you fill out a two way probabillty table?
choose a variable to be repersented by rows.