ELEMENTARY ALGEBRA

1. Solve by factoring:

2. Show that

3. How many pairs of numbers will satisfy simultaneously the two equations

3. Show by means of a graph that your answer is correct.

3. What is meant by eliminating x in the above equations by substitution? by comparison? by subtraction?

4. Find the square root of 223,728.

5. Simplify: (a)

5. Simplify: (b)

6. Solve the equation

7. How far must a boy run in a potato race if there are n potatoes in a straight line at a distance d feet apart, the first being at a distance a feet from the basket?