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The logarithmic function is not defined for zero or negative numbers.
Logarithms are the inverse of the exponential function for a positive base. Any exponent of a positive base must be positive. So the range of any exponential function is the positive real line. Consequently the domain of the the inverse function - the logarithm - is the positive real line. That is, logarithms are not defined for zero or negative numbers.
(Wait until you get to complex analysis, though!)
What else can I help you with?
What is the sign of the product of a three negative numbers?
The product of three negative numbers is negative.
What type of numbers is the sum of two negative numbers?
They will be negative numbers as for example -5+(-7) = -12
Can depth be measured in negative numbers?
No, it is measured in positive numbers but it can be represented by negative numbers.
In order from greatest to least which will go first 7 or -5?
12
When you multiply three negative numbers is the answer always negative?
Yes, the product of three negative numbers is always a negative number.
Why is there a lower case p before a capital letter H in the scientific symbol pH?
yes and it means the negative logarithim to base 10
In an aquious acid base equilibria the terms pOH and Pkb and often used the P indicates?
p usually means the negative logarithim to base 10
What happened around the 16th century that caused to need to use negative numbers?
we dont know yet.....
What are the concepts of zero and negative numbers?
um blah blah dont forget the integer keep trying
What is the sign of the product of a three negative numbers?
The product of three negative numbers is negative.
What type of numbers is the sum of two negative numbers?
They will be negative numbers as for example -5+(-7) = -12
Is a negative a whole numbers?
No. Whole numbers are counting numbers and zero.
What is the sign of product of three negative numbers?
The product of three negative numbers is negative.
Where do you see negative numbers?
Where do we see negative numbers
What set does a negative fraction belong to?
It belongs to the set of negative rational numbers, negative real numbers, fractionall numbers, rational numbers, real numbers.
Are all negative numbers are rational?
No, not all negative numbers are rational. There are many negative numbers that are irrational, just like the positive numbers.
What do you know about negative numbers?
What do I know about negative numbers? A lot.
