PROBLEM OF THE WEEK
1/14 - 1/18
Given the expression 2x + 8x, choose all possible equivalent expressions.
2(1 + 4x)
2(x + 4x)
x(2 + 8)
2x + 2x + 2x + 2x + 2x
2x(x + 4x)
10 + x
Part A: The length of a rectangle is 5 more than its width. Draw and label a rectangle to represent this situation.
Part B: Carol says the perimeter of the rectangle is x + 5x + x + 5x. Joe says that the perimeter is 2(x+5) + 2(x). Becky says that the perimeter is 4x + 10. Who is correct? Explain.
Part C: Write an expression to represent the Area of the rectangle.