Nia solved the equation -1.98 = 5.2 v + 13.1. Her answer was v = -2.9. She is fairly confident about her answer, but wants to do

Question

3 years ago

9

Nia solved the equation -1.98 = 5.2 v + 13.1. Her answer was v = -2.9. She is fairly confident about her answer, but wants to do

a quick check of her solution using estimation to make sure her answer is reasonable.
Which of the following shows a good check of her answer?

-2 = 5(-2) + 13
-1 = 5(-2) + 13
-3 = 5(-2) + 13
-2 = 5(-3) + 13

Mathematics

1 answer:

alexandr402 [8] · Answer 1 · 2022-12-08T19:12:58+03:00

alexandr402 [8]3 years ago

6 0

Answer:

you can obviously round the -2.9 to -3, check they distributed -3 to one and thats the answer!