ELEMENTARY ALGEBRA
1. Factor
2. Solve
3. The second term of a geometrical progression is
and the fifth term is
Find the first term and the ratio.
4. Solve the following equations and check your results by plotting:
5. Solve
6. In an arithmetical progression
Find a and l.
7. Expand by the binomial theorem and simplify:
8. The diagonal of a rectangle is 13 ft. long. If each side were longer by 2 ft., the area would be increased by 38 sq. ft. Find the lengths of the sides.