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Asked by UmutWhat equation passes through (-5,1) and m = 4?
How do we solve this? We can just plug the co-ordinates into the equation: y = mx+ c So substituting gives us: (1) = 4 (-5) + c :. (1) = -20 + c. Solve for c: (add 20 to both sides) Therefore c = 21 This gives us the complete equation: Y = 4X + 21
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