Algebra-1 Problems

7.8 Parallel and Perpendicular Lines
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1.

Identify whether following lines are parallel or perpendicular or neither.

\begin{equation}y=5x+10\textrm{ },\textrm{ }y=5x+5\end{equation}

2.

Identify whether following lines are parallel or perpendicular or neither.

\begin{equation}x+2y=9\textrm{ },\textrm{ }x+2y=5\end{equation}

3.

Identify whether following lines are parallel or perpendicular or neither.

\begin{equation}x+7y=10\textrm{ },\textrm{ }x+7y=3\end{equation}

4.

Identify whether following lines are parallel or perpendicular or neither.

\begin{equation}y=7x+7\textrm{ },\textrm{ }y=\frac{-1}{7} \times x+7\end{equation}

5.

Identify whether following lines are parallel or perpendicular or neither.

\begin{equation}4x-y=6\textrm{ },\textrm{ }x+4y=9\end{equation}

6.

Identify whether following lines are parallel or perpendicular or neither.

\begin{equation}5x+3y=3\textrm{ },\textrm{ }3x-5y=5\end{equation}

7.

Identify whether following lines are parallel or perpendicular or neither.

\begin{equation}10x+2y=5\textrm{ },\textrm{ }10x+9y=9\end{equation}

8.

Identify whether following lines are parallel or perpendicular or neither.

\begin{equation}\textrm{line passing through the points }( 1, 5 )\textrm{ and }( -1, 6 )\end{equation}\begin{equation}\textrm{line passing through the points }( 3, 15 )\textrm{ and }( -3, 18 )\end{equation}

9.

Identify whether following lines are parallel or perpendicular or neither.

\begin{equation}\textrm{line passing through the points }( 10, 7 )\textrm{ and }( 4, 3 )\end{equation}\begin{equation}\textrm{line passing through the points }( 7, 4 )\textrm{ and }( 3, 10 )\end{equation}

10.

Identify whether following lines are parallel or perpendicular or neither.

\begin{equation}\textrm{line passing through the points }( 6, 9 )\textrm{ and }( 2, 2 )\end{equation}\begin{equation}\textrm{line passing through the points }( 7, 4 )\textrm{ and }( 8, 4 )\end{equation}