<PRE><B>Question 1117843</B>
The gradient of the line joining (4, q) to (6, 5) is twice the gradient of the line joining (0, 0) to (4, q). Find q. 
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Equation:
(q-5)/(4-6) = 2[(q-0)/(4-0)]
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(q-5)/(-2) = 2[q/4]
q-5 = -4(q/4)
4q-20 = -4q
8q = 20
q = 2.5
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Cheers,
Stan H.
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