The matrix
\[\begin{pmatrix} a & \frac{15}{34} \\ c & \frac{25}{34} \end{pmatrix}\]corresponds to a projection.  Enter the ordered pair $(a,c).$
Question:
The matrix
\[\begin{pmatrix} a & \frac{15}{34} \\ c & \frac{25}{34} \end{pmatrix}\]corresponds to a projection.  Enter the ordered pair $(a,c).$
Answer:
Let's think step by step.

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\left( \frac{9}{34}, \frac{15}{34} \right)
The matrix
\[\begin{pmatrix} a & \frac{15}{34} \\ c & \frac{25}{34} \end{pmatrix}\]corresponds to a projection.  Enter the ordered pair $(a,c).$
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