vocabulary
each input has its own
what is output
for ordered pairs to be a function, my ____value cannot repeat itself
what is x value?
6 x 7
42
There are 3 slices of cake and there are 4 times as many people as there is cake. How many people are there?
12
when a graph is in the shape of a U, it is called
parabola
when a functions forms a straight line
what is linear
true or false: a graph of a function can be straight or squiggly
true, but squiggly wont be LINEAR
9 x 7
63
If you walk 3 miles every day, how many miles did you walk after a week?
21 miles
what goes up but never comes down
your age
this is also known as rise/run
what is slope
(2,3)(8,9)(4,1)(5,2)(-8,7)
function
8 x 9
72
If you grew 4 inches a month, how much taller would you be after a year?
48 inches taller
name the 5 senses
touch,sight,sound,taste,smell
this is the form our linear function equations must be in
what is slope intercept or y=mx+b
(2,1)(8,0)(6,2)(7,3)(4,5)(8,9)
not a function
9 x 9
81
what has to be broken before you can use it?
an egg
why does february have 29 days this year instead of the usual 28
it is a leap year
linear tables must have a __________rate of change
what is constant?
linear or non linear
x:6,12,18
y:14,7,0
linear
4 x 4 x 4
64
this is always in front of you but cannot be seen
future
largest country in the world
Russia