write an equation for the srtaight line that satisfies the given conditions.
(a) Through (-2,-2); slope -1
(b) Through (4,2); slope 1/2.
a. (-2,-2), m = -1.
Y = mx + b,
Y = -1*-2 + b = -2,
2 + b = -2,
b = -4.
Eq: Y = -X - 4.
b. Same procedure as "a".