Question

evaluate the expression sqrt. 8-n when n=8

Answer 1

its 0

Answer 2

sqrt(8-n) when n = 8 is sqrt(8-8) = sqrt(0) = 0.

Answer 3

Hey pollo, can we help you understand what it means to evaluate an expression rather than just solving problems for you?

Answer 4

yeah that would be great!

Answer 5

Do you have a question about how this works? All of the questions you've asked so far just ask you to put the number in for the letter.

Answer 6

like in this one, n is 8.... so you just put in 8 where you see the letter n

Answer 7

yes how does this work?

Answer 8

so I have a different one for you real quick

Answer 9

i see just replacing them in the expression

Answer 10

x = 100 so what is x+50?

Answer 11

put in 100 where x is first and tell me what that is.

Answer 12

150

Answer 13

yup :D, but show each step.

Answer 14

so, 100+50 = 150

Answer 15

yes

Answer 16

I hope that helps you out.

Answer 17

it actually makes sense thank you very much!

Answer 18

no problem!