Practice problem
If the lines 2x+3y=52x+3y = 52x+3y=5 and 3x+ky=73x +ky = 73x+ky=7 are perpendicular, what is kkk?
−2-2−2
222
23\frac{2}{3}32
−32-\frac{3}{2}−23
Type a concept, like “slope” or “photosynthesis”.
