Question

Which expressions simplify to 0? Check all that apply.
8g – 8g
(–2g) – 2g
5g + (–5g)
One-half g + one-half g
Negative two-thirds g + two-thirds g

Answer 1

SOLUTION

TO DETERMINE

The expressions simplify to 0

Check all that apply.

1. 8g – 8g

2. (–2g) – 2g

3. 5g + (–5g)

$\displaystyle \sf{4. \: \: \: \frac{1}{2}g + \frac{1}{2} g}$

$\displaystyle \sf{5. \: \: \: - \frac{2}{3}g + \frac{2}{3} g}$

EVALUATION

CHECKING FOR EXPRESSION : 1

8g – 8g

= 0

CHECKING FOR EXPRESSION : 2

(–2g) – 2g

= - 2g - 2g

= - 4g

CHECKING FOR EXPRESSION : 3

5g + (–5g)

= 5g –5g

= 0

CHECKING FOR EXPRESSION : 4

$\displaystyle \sf{ \frac{1}{2}g + \frac{1}{2} g}$

$\displaystyle \sf{ = g}$

CHECKING FOR EXPRESSION : 5

$\displaystyle \sf{- \frac{2}{3}g + \frac{2}{3} g}$

$= 0$

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Answer 2

Answer:

A, C, and E

Step-by-step explanation: