Wong YX's answer to rei's Secondary 3 E Maths Singapore question.
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We can sketch the graph to help us understand better. “y=-3” is a horizontal line.
This means that the y-coordinate of C is already given, which is y=-3.
To find the x-coordinate of C, we substitute y=-3 into the equation of L found in (a).
This means that the y-coordinate of C is already given, which is y=-3.
To find the x-coordinate of C, we substitute y=-3 into the equation of L found in (a).
Date Posted:
2 years ago
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