



 
Zachery, You are so close. You found the slope to be 1 so m = 1 in the equation y = mx + b. Thus
But you know that (22; 1) is on this line so substitute x = 22 and y = 1 into the equation above and solve for b. After you find b you can check your answer. (23; 2) is also on the line so substitute x = 23, y = 2 into the final equation and see if the equation is valid for these values of x and y. Penny  


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