PRIMARY CONTENT MODULE Algebra - Linear Equations ...
Step 2: Use the formula y = mx + b to determine the y-intercept, b. Replace x and y in the formula with the coordinates of one of the given points, and replace m with the calculated value, (2). y = mx + b If we use (1,3) and m = 2, we have 3 = 2 • 1 + b 3 = 2 + b 1 = b or b = 1 …
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