**TI83F* AppVariable file 04/03/07, 10:26) GLM303nav CBD1EB6C7C194582A7A527AA737FADAEGLM303. GLM3031  abscissakabscissa:The first number of an ordered pair. The x-coordinate of a point graphed in the coordinate plane. conversefconverse:The statement formed by exchanging the hypothesis and conclusion of a conditional statement. coordinate plane/!coordinate plane:A plane, also called a coordinate grid or coordinate system, in which a horizontal number line and a vertical number line intersect at their zero points.  hypotenuse !Bhypotenuse:The side opposite the right angle in a right triangle. irrational numbersoirrational numbers:Numbers that cannot be expressed as fractions, terminating decimals, or repeating decimals. legs!>legs:The sides of a right triangle that form the right angle.  ordered pairordered pair:A pair of numbers used to locate a point in the coordinate plane or the solution of an equation in two variables. An ordered pair is written in the form (x-coordinate, y-coordinate). ordinatelordinate:The second number of an ordered pair. The y-coordinate of a point graphed in the coordinate plane.  originYorigin:The point (0, 0) in a coordinate plane where the x-axis and the y-axis intersect.  perfect squarepperfect square:A number whose square root is a rational number.Example:25 is a perfect square since 25 = 5^2.  Pythagorean TheoremPythagorean Theorem:If a and b are the measures of the legs of a right triangle and c is the measure of the hypotenuse, then c^2 = a^2 + b^2.  quadrant/!Yquadrant:One of four regions into which the x- and y-axes separate the coordinate plane.   radical sign4radical sign:The symbol , used to indicate a root. rational numbersrational numbers:The set of numbers that can be written in the form a/b, where a and b are integers and b  0.Examples:1 = 1/1, 2/9,-2.3 = -2 3/10  real numbersJreal numbers:The set of rational numbers and irrational numbers together.  square rootsquare root:One of the two equal factors of a number. If a^2 = b, then a is the square root of b.Example: 12 is a square root of 144 since 12^2 = 144. x-axisu!9x-axis:The horizontal number line on a coordinate plane.  x-coordinate2x-coordinate:The first number in an ordered pair. y-axis !7y-axis:The vertical number line on a coordinate plane.  y-coordinate3y-coordinate:The second number in an ordered pair.8` @H2"KQ)0"8Q$@JLb*@JTp@JT1R@@ @@ (@@(@ bۿD@@  @@$@%'T@%)T@'T@@@@@ @  @ @ @(2 @Q( @!Q$@!(*`baBhBE`dQ@@@ L!Ҕ@@ @@@T@"T0" IT@JLb JT@JTP JT@JTP1JT@1R @8`@@ @"@E5d edT STTQc3S#@@BLB@@ @     @L@8` @H2"KQ)0"8Q$@JLb*@JTp@JT1R@@ @@ (@@(@ bۿD@@  @@$@%'T@%)T@'T@@@@@ @  @ @ @(2 @Q( @!Q$@!(*`baBhBE`dQ@@@ L!Ҕ@@ @@@T@"T0" IT@JLb JT@JTP JT@JTP1JT@1R @8`@@ @"@E5d edT STTQc3S#@@BLB@@ @     @L@8` @H2"KQ)0"8Q$@JLb*@JTp@JT1R@@ @@ (@@(@ bۿD@@  @@$@%'T@%)T@'T@@@@@ @  @ @ @(2 @Q( @!Q$@!(*`baBhBE`dQ@@@ L!Ҕ@@ @@@T@"T0" IT@JLb JT@JTP JT@JTP1JT@1R @ƨ