Aufmann Intermediate Algebra Student Support Editiondvd by Richard N. Aufmann, Vernon C. Barker, Joanne Lockwood

By Richard N. Aufmann, Vernon C. Barker, Joanne Lockwood

Re-enforces info from textbook.

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Keep track of what you know and what you are expected to know. NOTES 1. How do you write an expression with a rational exponent as a radical? p. 399 2. In Chapter 7, why is it assumed that all variables represent positive numbers? p. 397 3. How can you tell when a radical expression is simplified? p. 407 4. How do you rationalize a radical expression that has two terms in the denominator? p. 412 5. When can you add radical expressions? p. 408 6. Why do you have to isolate a radical when solving equations with radical expressions?

Unscramble the circled letters of the answers to solve the riddle. 1. An expression in which the numerator and denominator are polynomials is called a expression. 2. A is the quotient of two quantities that have the same unit. 3. A variation is a variation in which two or more types of variation occur at the same time. 4. The of a rational expression is the rational expression with the numerator and denominator interchanged. 5. A fraction is a fraction whose numerator or denominator contains one or more fractions.

8. A quadratic where a 0.

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