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Mathematics 8 Online
OpenStudy (anonymous):

Choose the graph that corresponds to the equation 4x − y = 8.

OpenStudy (johnweldon1993):

Well you know this is a linear equation....so all you need are the x and y intercepts... Replace 'x' in your equation with 0 and solve for 'y' and then replace 'y' in your equation with 0 and solve for 'x' What do you get?

OpenStudy (anonymous):

i got the right answer :) thank you! mind helping with one more?

OpenStudy (johnweldon1993):

Sure :)

OpenStudy (anonymous):

The St. James Theater is one of the largest theaters in New York City, with a seating capacity of 1600. They sell two different types of tickets, pre-sale and at-the-door. This combination of seats can be represented by the equation x + y = 1600. If the theater is sold out, choose the combination below that is not a possible combination of pre-sale and at-the-door tickets. Pre-sale: 1200, At-the-door: 400 Pre-sale: 522, At-the-door: 1078 Pre-sale: 847, At-the-door: 700 Pre-sale: 1600, At-the-door: 0

OpenStudy (anonymous):

those are the choices ^

OpenStudy (johnweldon1993):

Okay well we know that the pre sale + at the door tickets HAVE to equal the 1600 tickets that were sold....so which of these options do NOT add to 1600?

OpenStudy (anonymous):

C

OpenStudy (johnweldon1993):

That would be correct :)

OpenStudy (anonymous):

:) thank ya

OpenStudy (johnweldon1993):

anytime!

OpenStudy (anonymous):

lol i have one more but its like a graph

OpenStudy (anonymous):

The St. James Theater is one of the largest theaters in New York City, with a seating capacity of 1600. They sell two different types of tickets, pre-sale and at-the-door. This combination of seats can be represented by the equation x + y = 1600. Choose the graph that represents the possible combinations of seat sales.

OpenStudy (johnweldon1993):

Hmm ...okay that shouldn't be so bad... lol

OpenStudy (anonymous):

haha ^

OpenStudy (anonymous):

oh wait i got it!

OpenStudy (anonymous):

nevermind :) thank you!

OpenStudy (johnweldon1993):

Lol I was going to say...where are the graphs? lol...but okay good haha no problem! :)

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