exam Maths Puzzle Numerical Ability

Write 3 quadratic equations with a,b,c (co-efficients of x2. X, and the constant) as
1. Integers:
2. Rational numbers:
3. Irrational numbers:

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exam Other Question

How far will Jim run in 12 seconds, if his speed is 42.4 feet per second? I need help with this....

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Number 2

Copper wire - A copper conducting wire measures 84centimeters in length. It is cut into two pieces. The shorter piece is 5 centimeters shorter than the long piece. Find the length of each piece.