In the standard (x,y) coordinate plane, lines a and b intersect at point (5,2), and lines b and c intersect at point (3,3). What is the slope of line b? A.) 1/2 B.) 5/2 C.) 2/5 D.) 5/8 E.) It cannot be determined from the given information If line b is part of both of those intersections, then each of those points lies on line b. Use the two given points to find the slope of line b. (5,2) , (3,3) y2  y1  = slope {the slope formula} x2  x1 3  (2)  = slope {substituted coordinates into slope formula} 3  5 3 + 2  = slope {simplified on top and bottom} 8 5  = slope {simplified on top} 8 D.) 5/8  Algebra House
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