Question
Evaluate the expression $\frac{-b+\sqrt{b^{2}-4 a c}}{2 a}$ for each choice of $a, b$ and $c$$$a=5, b=-4, c=1$$
Step 1
So, we have: \[ \frac{-(-4)+\sqrt{(-4)^{2}-4 \cdot 5 \cdot 1}}{2 \cdot 5} \] Show more…
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