1. Equations

I got Lines S and P for (a) (i) and Line S for (ii). I can't get (b) and (c). Help.

2. the gradient of a line is another word for the slope, namely the change in y coords over the change in x. it can be derived from the standarrd equation of a line, namely y = mx +b, where b is the gradient.

For the last one, think of the defnition of being pependicilar (they intersect at a right angle, the slope of one line = the negative inverse of the other)

good work on the other problems btw

3. Originally Posted by Ilaggoodly
the gradient of a line is another word for the slope, namely the change in y coords over the change in x. it can be derived from the standarrd equation of a line, namely y = mx +b, where b is the gradient.
the standard form is what the line was in before, y = mx + b is the slope-intercept form. m is the gradient. b is the y-intercept

For the last one, think of the defnition of being pependicilar (they intersect at a right angle, the slope of one line = the negative inverse of the slope of the other line)
that's correct

4. my bad, it is indeed called slope intercept form. its so standard it should be called standard form :P but ill consult the mathematical gods about that one later...

5. Originally Posted by Ilaggoodly
my bad, it is indeed called slope intercept form. its so standard it should be called standard form :P
i kind of agree with you there, its the form everyone is most acquainted with, it should be called standard
but ill consult the mathematical gods about that one later...
when you have your audience with the math gods, tell them to endow Jhevon with more mathematical power