Solve the simultaneous equation: (16^x)/(8^y)=1/4 and (4^x)(2^y)=16
This solution requires you to use your knowledge of power extensively. The final must be shown with a lot of working out, the solution is x=1 and y=2.
SA
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All answers ▸Solve the simultaneous equations 4x + 7y = 1 and 3x +10y = 15.
Using the following quadratic equation, find x: x2 + 3x -4
A particle P of mass 0.4 kg is moving under the action of a constant force F newtons. Initially the velocity of P is (6i – 27j) m s−1 and 4 s later the velocity of P is (−14i + 21j) m s−1 . Find, in terms of i and j, the acceleration of P.
Use these 2 simultaneous equations to find x & y: 5y+21=9x and 6x+7y=45