Which expression is equivalent to -8.2-5 ? Choose 1 answer: (A) 8.2-5 (B) -8.2+(-5) (C) -8.2+5 (D) 5-(-8.2)

Understand the expression: Understand the original expression. The original expression is -8.2 - 5, which means we are subtracting 5 from -8.2.Compare with option (A): Compare the original expression with option (A). Option (A) is 8.2 - 5, which is subtracting 5 from 8.2, not -8.2. This is not equivalent to the original expression.Compare with option (B): Compare the original expression with option (B). Option (B) is -8.2 + (-5), which means adding -5 to -8.2. Adding a negative number is the same as subtracting its positive counterpart, so this is equivalent to the original expression.Compare with option (C): Compare the original expression with option (C). Option (C) is -8.2 + 5, which means adding 5 to -8.2. This is not equivalent to the original expression because it involves addition of a positive number instead of subtraction.Compare with option (D): Compare the original expression with option (D). Option (D) is 5 - (-8.2), which means subtracting -8.2 from 5. This is the same as adding 8.2 to 5, which is not equivalent to the original expression.

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Which expression is equivalent to $-8.2-5$ ? $\newline$ Choose $1$ answer: $\newline$ (A) $8.2-5$ $\newline$ (B) $-8.2+(-5)$ $\newline$ (C) $-8.2+5$ $\newline$ (D) $5-(-8.2)$

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Math Problems

Algebra 2

Composition of linear functions: find a value

Full solution

Q. Which expression is equivalent to

-8.2-5

\newline

Choose

1

answer:

\newline

(A)

8.2-5

\newline

(B)

-8.2+(-5)

\newline

(C)

-8.2+5

\newline

(D)

5-(-8.2)

Understand the expression: Understand the original expression. $\newline$ The original expression is $-8.2 - 5$ , which means we are subtracting $5$ from $-8.2$ .
Compare with option (A): Compare the original expression with option (A). Option (A) is $8.2 - 5$ , which is subtracting $5$ from $8.2$ , not $-8.2$ . This is not equivalent to the original expression.
Compare with option (B): Compare the original expression with option (B). Option (B) is $-8.2 + (-5)$ , which means adding $-5$ to $-8.2$ . Adding a negative number is the same as subtracting its positive counterpart, so this is equivalent to the original expression.
Compare with option (C): Compare the original expression with option (C). Option (C) is $-8.2 + 5$ , which means adding $5$ to $-8.2$ . This is not equivalent to the original expression because it involves addition of a positive number instead of subtraction.
Compare with option (D): Compare the original expression with option (D). $\newline$ Option (D) is $5 - (-8.2)$ , which means subtracting $-8.2$ from $5$ . This is the same as adding $8.2$ to $5$ , which is not equivalent to the original expression.