Colorado School of Mines
Elementary Algebra
1. Solve by factoring:
2. Show that
3. How many pairs of numbers will satisfy simultaneously the two equations
Show by means of a graph that your answer is correct.
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)
(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?