Algebra 1 : Integer Operations

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #32 : How To Multiply Integers

Possible Answers:

Correct answer:

Explanation:

When multiplying a negative number and a positive number, our answer is negative. We just multiply normally. Answer is .

Example Question #33 : How To Multiply Integers

Possible Answers:

Correct answer:

Explanation:

Regardless if the number is positive or negative, anything multipled by zero is always zero. So 

Example Question #34 : How To Multiply Integers

Possible Answers:

Correct answer:

Explanation:

When multiplying two negative numbers, the answer is positive. Then multiply normally. Answer is .

Example Question #35 : How To Multiply Integers

Possible Answers:

Correct answer:

Explanation:

When multiplying two negative numbers, the answer is positive. Then multiply normally. Answer is .

Example Question #36 : How To Multiply Integers

Possible Answers:

Correct answer:

Explanation:

When multiplying with more than two integers, we count the number of negative signs. Since there is one, that means our answer is going to be negative. We multiply from left to right. Answer is .

Example Question #37 : How To Multiply Integers

Possible Answers:

Correct answer:

Explanation:

When multiplying with more than two integers, we count the number of negative signs. Since there is one, that means our answer is going to be negative. We multiply from left to right. Answer is .

Example Question #38 : How To Multiply Integers

Possible Answers:

Correct answer:

Explanation:

When multiplying with more than two integers, we count the number of negative signs. Since there are two, that means our answer is going to be positive. We multiply from left to right. Answer is .

Example Question #39 : How To Multiply Integers

Possible Answers:

Correct answer:

Explanation:

When multiplying with more than two integers, we count the number of negative signs. Since there are three, that means our answer is going to be negative. We multiply from left to right. Answer is .

Example Question #40 : How To Multiply Integers

Possible Answers:

Correct answer:

Explanation:

When multiplying with more than two integers, we count the number of negative signs. Since there are two, that means our answer is going to be positive. We multiply from left to right. Answer is .

Example Question #110 : Real Numbers

Multiply:  

Possible Answers:

Correct answer:

Explanation:

First multiply the  with the ones digit of the second number, .

Multiply the ones digit.

The carryover is the tens place since we have a number that is 10 or greater.

Multiply the tens digit with the eight, and add the carryover, .

The first line, by multiplying , is .

Skip a line and add a zero as a placeholder for the ones digit.

Multiply the  with the tens digit of the second number, .

Combine this number in front of the zero placeholder.  We will be adding the two numbers from the first and second line.

We should have:

Add the two numbers.

The answer is:  

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