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Mathematics for IGCSE & O level - Coordinate Geometry (Section 2 - No. 35)
What is the gradient of the line described by the equation 4x + 2y = 8?
4
-4
2
-2
Paliwanag
Rewrite as: 2y = -4x + 8 => y = -2x + 4, gradient = -2.
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