Choose the graph below that correctly represents the equation 2x + 4y = 24. (3 points)
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OpenStudy (itrymath):
OpenStudy (itrymath):
@mathmate @MadR4t @3mar
OpenStudy (madr4t):
D
OpenStudy (itrymath):
How
OpenStudy (madr4t):
Do you have to explain why?
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OpenStudy (madr4t):
well you solve the problem by getting y by itself so you can see the form "y=ax+b" then you will be able to plot the equation on the graph that comes to look like D
OpenStudy (itrymath):
i need to be sure this is algebra the class im failing lol
OpenStudy (skullpatrol):
There is an easier way.
OpenStudy (skullpatrol):
Do you want to know it?
OpenStudy (madr4t):
you can put in the equation into an graphing website
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OpenStudy (itrymath):
no i do not
OpenStudy (itrymath):
mad you seem correct but i need to know way
OpenStudy (skullpatrol):
:(
OpenStudy (itrymath):
skull teach me
OpenStudy (skullpatrol):
Ok
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OpenStudy (skullpatrol):
look at the equation 2x + 4y = 24
Let x = 0
2(0) + 4y = 24
4y = 24
y = 6
(0,6) is a solution
OpenStudy (shadowlegendx):
\[2x + 4y = 24 \]
Subtract 2x from both sides
\[4y = -2x + 24\]
Divide the equation by 4
\[y = -\frac{ 1 }{ 2 }x + 6\]
OpenStudy (shadowlegendx):
That's good too @skullpatrol
OpenStudy (itrymath):
oh okay gotcha
OpenStudy (itrymath):
thanks ppl
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OpenStudy (shadowlegendx):
When dealing with integers, that method is probably easier.
OpenStudy (skullpatrol):
Do the same for y=0
look at the equation 2x + 4y = 24
Let y = 0
2x + 4(0) = 24
2x = 24
x = 12
(12, 0) is a solution