5. What polynomial is derived in finding the length of a rectangle that is 2 units longer that the width, given the area?
A. Difference of two cubes
B. Difference of two squares
C. General trinomials
D. Sum of two cubes

6. What is the even number consecutive to b?
A. 2b
B. b + 2
C.b/2
D. B²

7. What step in problem solving is observed if you wrote a letter to take the place of an unknown?
A. Applying properties
B. Evaluating the expression
C. Factoring the polynomial
D. Using a variable to present a value