Which statement is always true about a non-zero number and its opposite?

They are both positive numbers.

They are both negative numbers.

One is positive and one is negative.

They are located on the same side of zero.

Understand Additive Inverses Practice — Grade 7 math

1. On a number line, the opposite of the number $-15$ is ___.
2. What is the simplified value of the expression $-(-11)$?
- A. 11
- B. -11
- C. 0
- D. 22
3. Which statement is always true about a non-zero number and its opposite?
- A. They are both positive numbers.
- B. They are both negative numbers.
- C. One is positive and one is negative.
- D. They are located on the same side of zero.
4. If a withdrawal of 40 dollars is represented by the number $-40$, its opposite, a deposit of 40 dollars, is represented by the number ___.
5. Calculate the value of the expression $-(-(-20))$. The result is ___.
6. What number must be added to $-21$ to get a sum of $0$? The number is ___.
7. Which of the following pairs of numbers are additive inverses?
- A. $\frac{5}{8}$ and $\frac{8}{5}$
- B. $\frac{5}{8}$ and $-\frac{5}{8}$
- C. $\frac{5}{8}$ and $\frac{5}{8}$
- D. $-\frac{5}{8}$ and $-\frac{8}{5}$
8. According to the additive inverse property, the sum of $4.2$ and its additive inverse is ___.
9. What is another name for two numbers that are opposites of each other and have a sum of zero?
- A. Multiplicative inverses
- B. Absolute values
- C. Reciprocals
- D. Additive inverses
10. Find the value of $x$ that makes the following statement true: $x + \frac{1}{9} = 0$. $x = $ ___