Practice problem
Find the slope of any line that is perpendicular to 4y−9x=−14y-9x=-14y−9x=−1.
94\dfrac{9}{4}49
−49-\dfrac{4}{9}−94
49\dfrac{4}{9}94
14\dfrac{1}{4}41
Type a concept, like “slope” or “photosynthesis”.