Practice · Linear Functions: Equations & Graphs — L4 Parallel and perpendicular slopes; why a linear function has exactly one x-intercept

Question 1 of 10 · 0 correct so far
Difficulty: Medium
Short answer

Line A: y = 5x - 1. Line B: y = 5x + 7. Are the lines parallel, perpendicular, or neither?

Fractions like 1 1/2, 9/6 and 3/2 are all accepted where they're equal.

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