exam
Maths Puzzle
Numerical Ability
Factor completely.
1. xy - 2x + 3y - 6
2. 6x^2 - xy - 5y^2
3. 6x^2 + 7x + 2
Solve.
4. x^2 = -6x
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exam Other Question
Harrison earns $15 per hour cutting grass and $11 an hour selling papers. One week he earns $459 working a total of 37 hours. How many hours did he work at each job?
Factor completely: 16x4 - 40x2 + 9