Different axes for one law
Different axes for one law
5 marks
TGM Original
For y=ax2+bx, a graph of y/x against x passes through (1,7) and (3,3). Find a,b, then state the gradient and intercept if y/x2 is instead plotted against 1/x.
Solution:
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Answer:\(a=-2,b=9\); new gradient 9 and intercept -2; \(x\ne0\).
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