exam
Maths Puzzle
Numerical Ability
Are the following lines parallel, perpendicular, or neither?
L1 with equation x - 4y = 12
L2 with equation 4x + y = 4
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exam Other Question
Multiply and then simplify the product. All variables represent positive real numbers.
(√18+√8)(√18-√8)
2. x - 2 over x - x over by x + 3
3. 1 - 4 over 9 over a - 16 over 9
4. 3 over y squared - 4 + 1 over 4 over y - 2 + 1
5. 9 - x squared over y squared over 3 - x over y