a. Multiply real numbers.
b. Solve applied problems involving multiplication of real numbers.
Objective a
Multiply real numbers.
Multiplication of real numbers is like multiplication of arithmetic numbers. The difference is that we must determine whether the answer is positive or negative.The
Product of a Positive and a Negative Number
To multiply a positive number and a negative number, multiply their absolute values. The answer is negative.
Example A
The Product of Two Negative Numbers
To multiply two negative numbers, multiply their absolute values. The answer is positive.
Example B
To multiply two nonzero real numbers:
a) Multiply the absolute values.
b) If the signs are the same, the answer is positive.
c) If the signs are different, the answer is negative.
Example C
The product of an even number of negative numbers is positive.
The product of an odd number of negative numbers is negative.
Example D
Example E
Objective b
Solve applied problems involving multiplication of real numbers.
Example F
No comments:
Post a Comment