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Solving Linear Equation by Guessing

Algebra Level 2

Given that $f(x) = mx+b$ such that $f(2)=0$ , $f(x_1)=f_1$ , and $f(x_2)=f_2$ . Find the value of $\frac{f_1x_2 - f_2x_1}{f_1-f_2}.$

2 0 None of these choices 3

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by Paul Ryan Longhas

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