Tanya and Akira wrote the point-slope form of an equation for a line that passes through (-2,-6) and (1,6). Tanya says that Akira's equation is wrong . Akira says they are both correct. Help please!!

Question

Tanya and Akira wrote the point-slope form of an equation for a line that passes through (-2,-6) and (1,6). Tanya says that Akira's equation is wrong . Akira says they are both correct.  Help please!!

anonymous · Answer

@kidrah69

kidrah69 · Answer

What were the equations?

anonymous · Answer

Oh opps sorry!  Tanya: y+6=4(x+2) & Akira: y-6=4(x-1)

kidrah69 · Answer

Ok we need to find the slope first.
$$\frac{ y2-y1 }{ x2-x1 }=slope $$
plug in the numbers and solve.

anonymous · Answer

Oh wait I think I've got it now. Thanks so much!

kidrah69 · Answer

:)