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Question

i_ask_alot · Answer

A football team lost 9 yards on its first play. It then gained 9 yards on its second play.

A. What expression can be written to represent how many yards the football team is from where it started? Explain your reasoning.

B. How many yards is the football team from where it started?

C. Suppose that, instead, the football team had gained 9 yards on its first play and lost 9 yards on its second play. Would the team’s position on the field have been any different than it actually was after the first two plays? Why or why not?

i_ask_alot · Answer

@Directrix @FortyTheRapper @jim_thompson5910

jim_thompson5910 · Answer

`A football team lost 9 yards on its first play`

so would that be a positive change in yardage? or negative change?

i_ask_alot · Answer

i guess negative? i dont really know

jim_thompson5910 · Answer

yep negative because of the loss

jim_thompson5910 · Answer

so if you lost 9 yards, then we can write that as `-9`

imagine starting at 0 on the number line. Losing 9 yards will have you go to the left 9 spots to land on `-9`

i_ask_alot · Answer

so can u kinda put it all together for me:):)

jim_thompson5910 · Answer

what number is associated with gaining 9 yards?

i_ask_alot · Answer

no i mean like the steps it tells me to do can u kinda like show me that:) pleaseeee

jim_thompson5910 · Answer

I'm going through the steps now. What number is associated with gaining 9 yards?

i_ask_alot · Answer

-9 i guess

jim_thompson5910 · Answer

-9 was losing yards

jim_thompson5910 · Answer

+9 or just 9 itself is gaining nine yards

first_world_problems · Answer

LOSS IS ALLWAYS NEGITIVE GAIN IS ALWAYS POSITIVE

i_ask_alot · Answer

so where are we going with this??? can u please write down everything we have did so far please!

jim_thompson5910 · Answer

you should be writing this down in your notes and on the hw page

do you see how I'm getting these two values?

i_ask_alot · Answer

what r u talking about

kameron018 · Answer

Hes trying to teach you, not just give you the answer. Follow along!

jim_thompson5910 · Answer

do you see how -9 represents a loss of nine yards?

i_ask_alot · Answer

im not trying to get the answer i want to retrace the steps we just did so that we r on the same page

jim_thompson5910 · Answer

here's a similar example

let's say we start at 0 on the number line. The value 0 is where the line of scrimmage is

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