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Identifying Parallel and Perpendicular Lines (Grade 9)

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Identifying Parallel and Perpendicular Lines

1.
Line Q and line R each have a slope of 4. They are
1. curved
2. the same
3. parallel
4. in the same quadrant
5. none of the above
2.
Determine if the lines given are parallel, perpendicular, or neither.
$y - 4 = 3(x +5)$
$y + 3 = 1/3(x + 1)$
1. parallel
2. perpendicular
3. neither
3.
The lines $y=3x-4$ and $y=3x+4$ are
1. Parallel
2. Perpendicular
3. Neither
4. Both
4.
The lines $y=-2x-4$ and $y=1/2x$ are
1. Parallel
2. Perpendicular
3. Neither
4. Both
5.
The lines $y=-2x-4$ and $y=-1/2x-4$ are
1. Parallel
2. Perpendicular
3. Neither
4. Both
6.
What is the slope of another line PARALLEL to the following linear equation?

$y=-8x+7$
1. $-7$
2. $8$
3. $-1/8$
4. $-8$
5. $7$
7.
Which line is parallel to $y = 3x - 7$?
1. $y = -3x - 7$
2. $y = - x/3 + 2$
3. $y = x/3 + 7$
4. $y = 3x + 10$
8.
Which line is perpendicular to $y = 4x + 5$?
1. $y = - x/4 + 5$
2. $y = -4x + 5$
3. $y = x/4 + 5$
4. $y = 4x - 5$
9.
Which equation is parallel to $y=2x+3$?
1. $y=1/2x-4$
2. $y=2x+8$
3. $y=-1/2x-4$
4. $y=-2x+2$
10.
Which equation is perpendicular to $y=1/3 x +3$ ?
1. $y=3x$
2. $y=1/3x$
3. $y=-1/3x$
4. $y=-3x$
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