Problem Solving with Quadratics. Problem Solving Guide:

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Presentation transcript:

Problem Solving with Quadratics

Problem Solving Guide:

Problem A rectangle has length 3 cm longer than its width. Its area is 42cm². Find its width.

Problem Is it possible to bend a 12cm length of wireto form the shorter sides of a right-angled triangle with area of 20cm²?

Solve the following problems. The number of diagonals of an n-sided polygon is given by the formula A polygon has 90 diagonals. How many sides does it have? Formula Use the Pythagorean theorem to solve the following problems:

Solve (page 307)