exam
Maths Puzzle
Numerical Ability
2x^2+8x+15=0
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exam Other Question
FROM A SQUARE PIECE OF CARDBOARD WITH WIDTH x INCHES, A SQUARE OF WIDTH x-3 INCHES IS REMOVED FROM THE CENTER. WHAT IS THE AREA OF THE REMAINING PIECE AS A FUNCTION OF x.
Graph by first solving for y.
x + 2y = 8