Ordered Pair Relationships—The four regions of the coordinate plane is called quadrants and are separated by the two axes. They are numbers with Roman numerals I, II, III, and IV. By knowing the signs of the ordered pair, you can decide which quadrant the point is located. For example:

Quadrant I = (+, +)

Quadrant II = (-, +)

Quadrant III = (-, -)

Quadrant IV = (+, -)

# Monthly Archives: November 2013

# Math Homework Tips for Week of November 4, 2013

Math Homework Tips

Rational Numbers and the Number Line—Rational numbers are described as numbers that can be written as a/b, where a and b are integers and b is not equal to 0. Rational numbers can be negative. Decimals, fractions, and integers are all rational numbers.

Solutions of Inequalities—An inequality is a mathematical sentence that compares two expressions using the symbol , .

A solution of an inequality is a value of a variable that makes the inequality true. Inequalities can have more than one solution.

For the inequality a < 3, a = 1 is a solution because 1 is less than 3. a = 3 is not a solution because 3 is not less than 3.

Write Inequalities—Here are some ways to express each inequality symbol in words.

< less than, under, not as much as

greater than, over, more than

> greater than or equal to, at least, no less than