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help with these math problem(s)?
The width and length of a rectangle are given by two consecutive integers. Write an expression for the area of the rectangle. Use x for the variable.
The product of two consecutive integers is 30. Find the two integers.
The smaller of the two integers is , and the larger of the two is .
Or the smaller is and the larger is
1 Answer
- 7 years ago
Area of rectangle = length x width = lw
Area of rectangle = 30 = x * (x + 1)
30 = x^2 + x + 0
0 = x^2 + x - 30
(x - 5)(x + 6)
x = (5, -6)
Smaller of two integers is -6
Larger of two integers is 5
