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1 answer:
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<u>Answer:</u>
○
<u>Step-by-step explanation:</u>
The general form of the equation of a straight line is as follows:
,
where:
m = slope
c = y-intercept.
This means that m, which is the coefficient of , needs to be
.
Therefore we have to rearrange each equation given to make y the subject, and then check if the coefficient of becomes
.
• First option:
⇒
⇒
∴ 'm' is , not
, therefore this option is incorrect.
• Second option:
⇒
⇒
∴ 'm' is , not
, therefore this option is incorrect.
• Third option:
⇒
⇒
'm' is , therefore this option is correct.
<em>Note:</em>
You can rearrange the equation given in the last option, and see that 'm' comes out to be , thereby making it incorrect.