Mathematics
Sydneylydia333
2016-09-22 02:46:06
Line AB passes through points A(–6, 6) and B(12, 3). If the equation of the line is written in slope-intercept form, y = mx + b, then m =–1/6 and b =____ a.-6 b.-5 c.5 d.6 TIMED HURRY PLS
ANSWERS
seanactis
2016-09-22 07:03:22

Answer:m=−2, b=18Explanation:eqn. of a straight line with known co-ordinates(x1,y1), (x2,y2)is given by the formulay−y1x−x1=y2−y1x2−x1for A(6,6), B(12,3)y−6x−6=12−63−6y−6x−6=6−3=−2y−6=−2(x−6)y=6+(−2x)+12y=−2x+18m=−2, b=18

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