Chapter 1b Test Review

Question 1

State the Multiplication Property of Order

Answer 1

If x < y, then:

xz < yz, if z is positive
xz > yz if z is negative
xz = yz if z is zero.

Question 2

If c is a non-negative constant, then l expression l > c is equivalent to:

Answer 2

expression > c or expression < -c

Question 3

If c is a non-negative constant, then l expression l < c is equivalent to:

Answer 3

expression < c and expression > -c.

or to -c < expression < c

Question 4

Define:

Writing the solution set of an equation

Answer 4

Solving the equation

Question 5

Define:
A number which satisfies a transformed
equation, but not the original equation.

Answer 5

extraneous solution