exam
Maths Puzzle
Numerical Ability
write the simplest polynomial equation that has roots 1 - 2i and -3. Express the equation using integral coefficients.
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exam Other Question
Solve. -3(x + 2) + 4x = 5x + 18
If a company earns a weekly profit of P dollars by selling x patterns, according to the formula P(x)=0.002x^2 +3.5x^2-800.
How many patterns must it sell each month in order to have a maximum profit?
What is the maximum profit?