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Daniel Math Academy · Grade 8 Math

Slopes of Parallel & Perpendicular Lines

Skill S.5 · Slope & linear equations · ★★☆ Medium

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Give each slope, or write parallel, perpendicular, or neither.

1. 1
   Perpendicular: $y=-4x$ 
2. 2
   Parallel: $y=-\frac{3}{2}x-5$ 
3. 3
   Parallel: $y=-\frac{4}{5}x$ 
4. 4
   Parallel: $y=-\frac{5}{4}x+8$ 
5. 5
   Parallel: $y=\frac{1}{2}x-1$ 
6. 6
   Parallel: $y=x-6$ 
7. 7
   Perpendicular: $y=-\frac{2}{3}x+3$ 
8. 8
   Perpendicular: $y=\frac{1}{4}x-7$ 

Daniel Math Academy · Grade 8 Math

Answer Key

S.5 Slopes of Parallel & Perpendicular Lines · ★★☆ Medium

1. 1$\frac{1}{4}$
2. 2$-\frac{3}{2}$
3. 3$-\frac{4}{5}$
4. 4$-\frac{5}{4}$
5. 5$\frac{1}{2}$
6. 6$1$
7. 7$\frac{3}{2}$
8. 8$-4$