Problem of the Day

Chapter 14, Lesson 8

Ilana is building a wooden frame in the shape of a triangular prism. The bases of the prism are equilateral triangles with sides of (2x2 + 7) in. and the long edges of the prism are each (x2 + 7x + 1) in.

a. Write and simplify a polynomial expression to represent the number of inches of wood that Ilana will need to build the frame.
b. The wood that Ilana has chosen is available only in 6-foot long strips. How many strips will Ilana need to buy if x = 3?