What are the next three terms in the sequences below? 1. 2, 5, 7, 12, ,
2. 9, 11, 20, 31,
3. 2, 5, 10, 50,
4. 1, 3, 3, 9,

1. 19, 31, 50
2. 51, 82, 133
3. 500, 25000, 12500000
4. 27, 243, 6561

(6,1)(5,4)slope = (4 - 1) / (5 - 6) = 3/-1 = -3y = mx + bslope(m) = -3use either of ur , = 6 and y = 1now sub and find b, the y int1 = -3(6) + b1 = -18 + b1 + 18 = b19 = bso ur equation is : y = -3x + we need it in standard formy = -3x + 3x to both sides3x + y = 19 < == standard form