Rational Exponents
22
4
What is a Exponential Function?
a function that can be described by an equation of the form y= a*b^x
Multiplying exponents you______
Add
What is a zero exponent?
Any nonzero number to the zero power is one
EX: x0
Convert to Decimal Notation:
3.25*109
3,250,000,000
x(1/2)
sqrt x
What is a Linear Function?
a function in which the graph of the solutions forms a line
Dividing exponents you______
Subtract
What is a negative exponent?
For any nonzero number a and any integer
Put in scientific notation:
0.053
5.3*10-2
x(4/3)
3 sqrt x4
Positive Correlation
A correlation where as one variable increases, the other also increases, or as one decreases so does the other. Both variables move in the same direction.
24/22
22
Why can't it be equal to zero?
Put into Decimal Notation:
4*10-7
0.0000004
x(1/9)
9 sqrt x
Negative Correlation
A finding that two factors vary systematically in opposite directions, one increasing as the other decreases.
517*44
59*58*44
Dividing powers with the same base
Subtract exponents
an /a+=an-+Put in standard notation:
3.25*102
325
x(1/2)
sqrt x
No Correlation
There is no relationship between data sets.
4y4/14yx8
2y3/7x8
Simplify: d4e3/(de)2
d2e
Put in scientific notation:
57,200
5.72*104