exam
Maths Puzzle
Numerical Ability
How do you find the value for k so that 9m^2-kn^2 will have the factors 3m+7n and 3m-7n
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exam Other Question
The total profit (in dollars) for sales of x typewriters is given by P(x)=(-0.2^2 + 300x - 200. What is the profit if 500 are sold, and for what value of x will the profit by maximum?
Use the ac test to determine if the following trinomial can be factored. If it can be factored, find the values of m and n.
3x^2 + 11x - 4