Q 142 In your own words, state the rul... [FREE SOLUTION]

91影视

Intermediate Algebra

OPENSTAX

$Math Studyset 91影视 Explanations$ Math

OER 2017 Edition 路 1346 pages

ISBN: 9780998625720

Chapter 1: Q 142 (page 39)

In your own words, state the rules for multiplying and dividing integers.

Short Answer

Expert verified

The rules are explained in the solution.

Step by step solution

Step 1. Explain the multiplication of two numbers.

If we are multiplying two integers, the integers can be positive or negative, what would be the result after multiplication, is shown below as,

$R u l e R e s u l t (+) (+) = + (-) (-) = + (+) (-) = - (-) (+) = -$

For example:

$\begin{array}{rcl} 5 路 3 & = & 15 \\ (- 5) (- 3) & = & 15 \\ (- 5) (3) & = & - 15 \\ (5) (- 3) & = & - 15 \end{array}$

Step 2. Explain the division of two numbers.

If we are dividing two integers a andb, the integers can be positive or negative, what would be the result after division, is shown below as,

$\begin{array}{rcl} \frac{(+)}{(+)} & = & + \\ \frac{(-)}{(-)} & = & + \\ \frac{(-)}{(+)} & = & - \\ \frac{(+)}{(-)} & = & - \end{array}$

Let's suppose 5 and 15 are two integers. So,

$\begin{array}{rcl} \frac{(15)}{(5)} & = & 3 \\ \frac{(- 15)}{(- 5)} & = & 3 \\ \frac{(- 15)}{(5)} & = & - 3 \\ \frac{(15)}{(- 5)} & = & - 3 \end{array}$

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91影视

In your own words, state the rules for multiplying and dividing integers.

Short Answer

Step by step solution

Step 1. Explain the multiplication of two numbers.

Step 2. Explain the division of two numbers.

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