math-word problems with quadratics

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I have 5 questions...

1) The sum of two numbers is 12. Their product is 36. Find the two numbers.

2) The sum of two numbers is -15. Their product is -100. Find the two numbers.

3) The sum of two numbers is -8. Their product is 12. Find the two numbers.

4) The length of a rectangle is four times the width. The perimeter is 150 inches. Find the dimensions of the rectangle.

5) The length of a rectangle is four less than three times the width. The area is 20 square cm. Find the dimensions of the rectangle.

We will be happy to critique your thinking.

  • math -

    q1.6,6

  • matH -

    25

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