Indicated Variables part 2

Question

0

595

2

I forgot to add what to solve for on the last question for 2.

But I do have a few questions I didn't understand.

1.) ax+z = aw+y, for a

2.) q = p(r+s), for r

And lastly a more challenging one

3.) m = y₂- y₁over x₂- x₁, for y₂

Guest Oct 18, 2015

Rom · Answer 1 · 2015-10-18T09:54:26

$a x + z = a w + y \\ a x - a w =y - z \\ a(x-w)= y-z \\ \mbox{assuming }x \neq w \\ a=\dfrac{y-z}{x-w}$

$q = p(r+s) \\ q = p r + p s\\ q -p s = p r \\ \mbox{assuming }p\neq 0 \\ r = \dfrac {q - ps}{p}$

$m = \dfrac{y_2-y_1}{x_2-x_1} \\ m(x_2-x_1) = y_2-y_1 \\ y_2 = m(x_2-x_1)+y_1$

.

Guest · Answer 2 · 2015-10-18T10:00:47

Thank you so much :)