Solution Bank Quadratic Functions Target D
Answers to the Practice Problems are below in random order.
Solutions to Problems 1-17
\(\begin{align}&9\pm2\sqrt{7}\ & \ \ \ \ &0, 3\ & \ \ \ \ &-1\pm i\sqrt{10}\\\\
&-\frac{3}{5}, 1\ & \ \ \ \ &0, \frac{5}{2}\ & \ \ \ \ &-5, 1\\\\
&2, -12\ & \ \ \ \ &\pm6\ & \ \ \ \ &-1, \frac{9}{8}\\\\
&\pm\sqrt{7}\ & \ \ \ \ &\pm3\ & \ \ \ \ &-4, 20\\\\
&\pm\frac{5}{2}\ & \ \ \ \ &\pm4\ & \ \ \ \ &4\pm\sqrt{13}\\\\
&-8, 2\ & \ \ \ \ &\pm3i\end{align}\)
Solutions to Problems 18-30
\(\begin{align}&-5\pm\sqrt{7}\ & \ \ \ \ &-\frac{4}{3}, \frac{5}{4}\ & \ \ \ \ &6, 2\\\\
&-2, 7\ & \ \ \ \ &7\pm i\ & \ \ \ \ &-8.5, 0.5\\\\
&2\pm i\sqrt{11}\ & \ \ \ \ &3\pm\frac{\sqrt{21}}{3}\ & \ \ \ \ &-1, 5\\\\
&\frac{4\pm\sqrt{22}}{3}\ & \ \ \ \ &3\ & \ \ \ \ &2\pm 2i\sqrt{3}\\\\
&\pm3\end{align}\)
Answers to the Practice Problems are below in random order.
Solutions to Problems 1-17
\(\begin{align}&9\pm2\sqrt{7}\ & \ \ \ \ &0, 3\ & \ \ \ \ &-1\pm i\sqrt{10}\\\\
&-\frac{3}{5}, 1\ & \ \ \ \ &0, \frac{5}{2}\ & \ \ \ \ &-5, 1\\\\
&2, -12\ & \ \ \ \ &\pm6\ & \ \ \ \ &-1, \frac{9}{8}\\\\
&\pm\sqrt{7}\ & \ \ \ \ &\pm3\ & \ \ \ \ &-4, 20\\\\
&\pm\frac{5}{2}\ & \ \ \ \ &\pm4\ & \ \ \ \ &4\pm\sqrt{13}\\\\
&-8, 2\ & \ \ \ \ &\pm3i\end{align}\)
Solutions to Problems 18-30
\(\begin{align}&-5\pm\sqrt{7}\ & \ \ \ \ &-\frac{4}{3}, \frac{5}{4}\ & \ \ \ \ &6, 2\\\\
&-2, 7\ & \ \ \ \ &7\pm i\ & \ \ \ \ &-8.5, 0.5\\\\
&2\pm i\sqrt{11}\ & \ \ \ \ &3\pm\frac{\sqrt{21}}{3}\ & \ \ \ \ &-1, 5\\\\
&\frac{4\pm\sqrt{22}}{3}\ & \ \ \ \ &3\ & \ \ \ \ &2\pm 2i\sqrt{3}\\\\
&\pm3\end{align}\)