Question

Did I Do This Right?

Answer 1

I am going to type in what I did. Maybe five minutes.

Answer 2

A company produces accessories for smart phones and tablets. The profit on each smart phone case is $2 and the profit on each tablet case is $3. The company made a profit of $1,200 on the cases last month. The equation 2x + 3y = 1,200 represents the company's profit from cases last month, where x is the number of smart phone cases sold and y is the number of tablet cases sold.

I. Change the equation into slope-intercept form. Identify the slope and y-intercept of the equation. Be sure to show all of your work.

\[2x+3y=1200\]-2x -2x\[3y=-2x+1200\]\[\frac{ 3y }{ 3 }=\frac{ -2x }{ 3 }+\frac{ 1200 }{ 3 }\]So I got as my answer:\[y=\frac{ -2 }{ 3 }x+400\]Where -2 over 3 is the slope and 400 is the y-intercept.

Answer 3

Now - I know I did this right. But I just want to know, does my answer have to be \[y=\frac{ -2 }{ 3 }x+400\]OR\[y=\frac{ -2x }{ 3 }+400\]?

Answer 4

the first one

Answer 5

And BTW: This has to do with linear functions. Remember y = mx+y-intercept*
*Forgot the variable

Answer 6

The first one? Thanks. That is what I though. @x3pufflix3 do you agree?

Answer 7

You are thinking way too hard, your answer is the the first one.

Answer 8

Okay, thanks. I am thinking way to hard, aren't I. I knew it would be the first one because it follows the rules of the linear function equation thingie. Thanks. I wish I could give a medal to both of you... :-\

Answer 9

Haha, i dont come here often so i dont really care :/

Answer 10

Aw, that speech makes me sad @x3pufflix3

Answer 11

Thanks everyone though. :]

Answer 12

you're welcome