book Maths Puzzle Numerical Ability

using -1 as a factor (divide)

-a+3
______ =
2a-6

thanx

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book Other Question

Help on this quadratic function -2x^2 +6x +2 i need..
1.standard form of f(x)=a(x-h)^2 + k
2.Find the Vertex
3.axis of symmetry
4.find maximum
5. find X and Y intercepts Two cyclists start from the same point and travel in opposite directions. One is averaging 12 mph, while the other is averaging 16 mph. After how long will they be 98 miles apart?