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xz_007 [3.2K]
3 years ago
13

A student found the slope of a line that passes through the points (3, 15) and (5, 9) to be . What mistake did he make?

Mathematics
2 answers:
Virty [35]3 years ago
8 0
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.
Olenka [21]3 years ago
4 0
I hope this helps you



slope=y2-y1/x2-x1


slope=9-15/5-3


slope= -6/2


slope = -3
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