conversions
How many seconds is in 3 minutes?
180
Where is the answer to a system on a graph?
where the two lines intersect
What is V.L.T?
vertical line test
rule 1
when multiplying by the same base add the exponents 33 x 34
37
how do you know if it's a growth?
more than 1
12 hours into minutes
720 minutes
ways to solve systems
graphing
substitution
elimination
(1,2),(3,7),(4,8),(5,2)
yes function
rule 2
when dividing by the base subtract the exponents
x7/x2=x5
how do you know if it's a decay?
less than 1
10000 feet into miles
280 mile
solve by substitution
-3x-3y=3
y=-5x-17
(4,3)
chart
x} -1,0, -1
y}8,10,5
not a function
rule 3
anything with an exponent of 0 is 1
x0=1
growth or decay?
y=20(.5)x
decay
how many inches in a mile?
63360 inches
solve by elimination
-4x-2y=-12
4x+8y=-24
(6,-6)
Whats an even function?
its symmetry with y-axis
rule 4
a power in parathesis is multiplied by exponent on the outside of parathesis
(34)3=312
growth or decay?
y=100(3/2)x
growth
2000 pounds =
1 ton
solve by elimination
-6x+5y=1
6x+4y=-10
(-1,1)
whats an odd function?
its a flipped graph
rule 5
when you change side change the sign
a-3=1/a3
( )x
what do you do if that number is less than 1
flips over the y axis