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Maths Puzzle
Numerical Ability
Find f(-2) if f(x)=3x^2-4
Could you please help me?
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book Other Question
Simplify and then write in radical notation, if appropriate.
5/4 13/8
a b
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1/2 11/8
a b
a square root 5/4 b square root 13/8 divided by a 1/2 b sq
If x - 2y over 3 equal y - 2x over 2, express x in terms of y hence evaluate 7x - 2y over 3x - y