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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Two lines will be parallel if they have the same gradient. Lines in the form\[y=mx+b\]are gradientintercept form. If you rearrange your equations into that form, you can compare the gradients. To make the other line parallel, choose 'a' that will give you a gradient equal to the other.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how do we re arrange? so is 5 from (5x) the gradient for the first one and a from (ax) the gradient of the other?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[5xy+10=0 \rightarrow y=5x+10\]after adding 10 to both sides.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The first line has gradient 5.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[ax+4y3=0 \rightarrow 4y=3ax \rightarrow y = \frac{3ax}{4}=\frac{a}{4}x+\frac{3}{4}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0You need a such that\[\frac{a}{4}=5\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how did that become a/4 x + 3/4 ?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[y=\frac{3ax}{4}=\frac{3}{4}\frac{ax}{4}=\frac{ax}{4}+\frac{3}{4}=\frac{a}{4}x+\frac{3}{4}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0oh okay makes sense :))) I'm just not so good at re arranging.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0practice practice practice so you don't get ruined in tests for nothing
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