Download Dividing Exponents

DIVIDING EXPONENTS
WORD OF THE DAY
Nocuous
harmful
TODAY’S OBJECTIVE
 IWBAT evaluate
exponent expressions
using division
LET’S START BY
SIMPLIFYING
5 x
x
5
2
ab
2
ab
SO …
ANYTHING
divided by itself
equals ____!
What happens
when we are not
dividing by the
same thing?!
SETTLE DOWN, JUSTIN!
NO WORRIES!
 When dividing and you
have the ______
variable, you must
_________ the
exponents!
So can we do
some examples,
Ms. Campbell?
EXAMPLE #1
4
x
2
x
x
4 2
x
2
EXAMPLE #2
3
y
6
y
3
y
1
y
36
1
3
y
y
3
EXAMPLE #3
x
5
x
4
x
1
x
1 5
1
4
x
x
4
EXAMPLE #4
3
x y
2 4
x y
xy
x
3
3 2
y
1 4
EXAMPLE #4
xy
3
x
3
y
3
xy
1
What happens
when there are
numbers in
front?!
NO WORRIES, MARK
WHEN THERE ARE NUMBERS IN
FRONT, FOLLOW THESE
STEPS:
1.)
2.)
Divide/Reduce the
coefficients!
a.)
If the coefficient in the
numerator is the BIGGER
number, you divide.
b.)
If the coefficient in the numerator
is the smaller number, you reduce.
Subtract the exponents!
EXAMPLE #5
 4a b c
2 5
8a c
2
4
EXAMPLE #5
 4a b c
2 5
8a c
2

1 a
2 2
b
2
4
4 5
15
c
EXAMPLE #5
0 1 4
1a b c

2
1 4
1b c

2
EXAMPLE #5
1
 1 4
2b c
1

4
2bc
EXAMPLE #6
 Try it on your own!
2
2
18 x y z
5 7
9x z
4