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# Identifying Parallel and Perpendicular Lines - #2 (Grade 9)

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## Identifying Parallel and Perpendicular Lines - #2

1.
Line Q has a slope of 4 and line R has a slope of -1/4. They are
1. parallel
2. the same
3. perpendicular
4. supplementary
5. none of the above
2.
The equation of line L is 6x + 5y = 3, and the equation of line Q is 5x - 6y = 0. Which statement about the two lines is true?
1. Lines L and Q have the same y-intercept.
2. Lines L and Q are parallel.
3. Lines L and Q have the same x-intercept.
4. Lines L and Q are perpendicular.
3.
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
4.
Choose how the lines $y = 3x+4$ and $y =1/3 x - 4$ are related.
1. Parallel
2. Perpendicular
3. Neither
5.
The lines $y = -2x - 4$ and $y = -2x + 4$ are
1. Parallel
2. Perpendicular
3. Neither
4. Both
6.
What is the slope of a line that is perpendicular to y = 3x + 1?
1. -1/3
2. 3
3. 1/3
4. -3
7.
Which equation represents a line that is parallel to the line whose equation is 2x + 3y = 12?
1. 6y - 4x = 2
2. 6y + 4x = 2
3. 4x - 6y = 2
4. 6x + 4y = -2
8.
Which line is parallel to y = 3x - 7 ?
1. $y = − 3x − 7$
2. $y = −x/3 + 2$
3. $y = x/3 + 7$
4. $y = 3x + 10$
9.
Which line is perpendicular to -4x + y = 5 ?
1. $y = -4x + 5$
2. $y = x/4 + 5$
3. $y = 4x - 5$
4. $y = -x/4 + 5$
10.
Which equation represents a line that is parallel to $y = -5/4x + 2$ ?
1. $y = -5/4 x +1$
2. $y = -4/5 x +2$
3. $y = 4/5 x + 3$
4. $y = 5/4 x +4$
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