Respuesta :
I hope this helps you
slope=y2-y1/x2-x1
slope=9-15/5-3
slope= -6/2
slope = -3
slope=y2-y1/x2-x1
slope=9-15/5-3
slope= -6/2
slope = -3
A reciprocal, or multiplicative inverse, is simply one of a pair of numbers that, when multiplied together, equal 1. If you can reduce the number to a fraction, finding the reciprocal is simply a matter of transposing the numerator and the denominator so the answer is he used the recpriocal of the slope.