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Mathematics for IGCSE & O level - Coordinate Geometry (Section 3 - No. 13)
The equation of a line passes through (1,2) and has a gradient of 3. What is the y-intercept?
-1
2
-5
1
Paliwanag
y = mx + c; 2 = 3(1) + c; c = -1; incorrect options
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