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" m = y2 - y1 / x2- x1 "
= 3 +3 / -2 - 5
= 6 / -7
= - 6 / 7
b. 2x – 5y – 10 = 0
" m = - a / b "
= -2 / -5
= 2 / 5
c. 3x + 6y = - 12
" m = - a / b "
= -3 / 6
= - 1 / 2
d. P ( -3 , -1 ) dan Q ( 3 , 5 )
" m = y2 - y1 / x2- x1 "
= 5 +1 / 3 +3
= 6 / 6
= 1
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