exam
Maths Puzzle
Numerical Ability
subtract. express in simplest form
2/5 - y/y-2
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exam Other Question
solve:
2 x - y = 4
5x - y = 13
Determine which two equations represent perpendicular lines.
(1) y = 4x - 6
(2) y = 1/4 x + 6
(3) y = -1/4 x + 6
(4) y = 1/4 x - 6