Mathematics for IGCSE & O level - Coordinate Geometry (Section 2 - No. 32)
Which of the following equations is parallel to the line 2x + y = 5?
y = 2x + 1
y = -2x + 1
y = x + 5
y = -1/2 x + 5
Explanation
Rewrite the given line as y = -2x + 5. Parallel lines have the same slope.
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