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Mathematics for IGCSE & O level - Equations (Section 1 - No. 1)

What are the coordinates of the x-intercept of the line y = 2x - 6?
(0, -6)
(3, 0)
(0, 3)
(-6, 0)

解释

The x-intercept occurs when y=0. 0=2x-6. Therefore x=3. (3,0).

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