Algebra 1 : Real Numbers

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #151 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

This is just a simple addition problem. The sum of  and  is .

Example Question #152 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

This is just a simple addition problem. The sum of  and  is .

Example Question #153 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

There is a negative sign present. When that happens, we compare the numbers. Since  is greater than  and is positive, our answer is positive. We treat the problem as a subtraction problem. The answer is .

Example Question #154 : Integer Operations

Solve.

Possible Answers:

Correct answer:

Explanation:

There is a negative sign present. When that happens, we compare the numbers. Since  is greater than  and is negative, our answer is negative. We treat the problem as a subtraction problem. The answer is .

Example Question #154 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

There is a negative sign present. When that happens, we compare the numbers.  is seen as both a positive and negative number. This means the value are the same but will cancel out to give us an answer of .

Example Question #155 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

When a plus and minus are together, the sign changes to negative. When adding two negative numbers, we treat as addition but keep the minus sign in the end. The answer is .

Example Question #157 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

When a plus and minus are together, the sign changes to negative. We add from left to right. When adding two negative numbers, we treat as addition but keep the minus sign in the end. We then have . Then same rules apply and when we add another , we get .

Example Question #158 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

When a plus and minus are together, the sign changes to negative. We add from left to right. When adding two negative numbers, we treat as addition but keep the minus sign in the end. We then have . Then same rules apply and when we add another , we get .

Example Question #159 : Real Numbers

Solve.

Possible Answers:

Correct answer:

Explanation:

First, let's work from left to right. We have simple addition which gives us . Next, a plus and minus sign make a minus sign. Since  is greater than  and is negative, our answer is negative. We treat as a subtraction problem and get an answer of .

Example Question #160 : Real Numbers

Solve.

 

Possible Answers:

Correct answer:

Explanation:

First, let's work from left to right. A plus and minus sign make a minus sign. Since  is greater than  and is positive, our answer is positive. We treat as a subtraction problem and get an answer of . Then,  is greater than  and is positive, our answer is positive. Our final answer is .

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