exam
Maths Puzzle
Numerical Ability
Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method?
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exam Other Question
A mother is 4 times as old as her son and in twenty years will be twice as old as her daughter, who is five years older than her brother. How old is each?
1. The degree three polynomial f(x) with real coefficients and leading coefficient 1, has -3 and 4i amoung roots. Express f(x) as a product of linear and quadratic polynomials wit