Mathematics for IGCSE & O level - Sketching Curves (Section 1 - No. 48)

If the line 3x + 4y = 12 is graphed, what is the y-intercept?

3

4

-3

-4

הֶסבֵּר

Set x = 0 and solve for y: 4y = 12; y = 3.

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