Suppose a rectangle has a length of (x-5) cm, a width of 4 cm, and an area of 48 cm2. Write an equation that describes this situation. Then solve for x.
4(x-5) = 48
x = 17
500
A rectangle has one side length of
√ 50 and another of
√ 98 . Find the perimeter of the rectangle.
24
√ 2
500
If g(x) = 9x - 7, what value of x would make g(x) = 20?
x = 3
500
Suppose a rectangle has a perimeter of 10x2 - 14x + 18. One of its sides has a length of 3x2 + 2x - 1. What must the other side length be?
2x2 - 9x + 10
500
Name two Defense Against the Dark Arts teachers in Harry Potter.