Beat the Computer Intermediate Algebra Vocabulary for Unit

Beat the Computer! Intermediate Algebra Vocabulary for Unit 1 Chris Giovanello, LBUSD Math Curriculum Office, 2004

Directions: • A slide will appear with a term • Say the definition aloud before the computer can answer (5 sec. ) • You will hear a sound when the slide changes Chris Giovanello, LBUSD Math Curriculum Office, 2004

opposite or additive inverse Chris Giovanello, LBUSD Math Curriculum Office, 2004

opposite the opposite of a is -a Opposites: 4, -4 -5. 6, 5. 6 Chris Giovanello, LBUSD Math Curriculum Office, 2004 0, 0

reciprocal or multiplicative inverse Chris Giovanello, LBUSD Math Curriculum Office, 2004

reciprocal the reciprocal of a is Reciprocals: 4, -5. 6, Chris Giovanello, LBUSD Math Curriculum Office, 2004 0, none

absolute value of a real number Chris Giovanello, LBUSD Math Curriculum Office, 2004

absolute value the distance from zero on the number line 4 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 2 -1 0 1 2 3 4 5 Chris Giovanello, LBUSD Math Curriculum Office, 2004 6 7 8 9 10 11 12

solution of an equation Chris Giovanello, LBUSD Math Curriculum Office, 2004

solution of an equation a number that makes the equation true Chris Giovanello, LBUSD Math Curriculum Office, 2004

compound inequality Chris Giovanello, LBUSD Math Curriculum Office, 2004

compound inequality a pair of inequalities joined by “and” or “or” Chris Giovanello, LBUSD Math Curriculum Office, 2004

absolute value of a number x Chris Giovanello, LBUSD Math Curriculum Office, 2004

absolute value If x 0, then x = x. If x 0, then x = -x. Chris Giovanello, LBUSD Math Curriculum Office, 2004

extraneous solution Chris Giovanello, LBUSD Math Curriculum Office, 2004

extraneous solution a solution of an equation derived from an original equation that is not a solution of the original equation Chris Giovanello, LBUSD Math Curriculum Office, 2004

tolerance Chris Giovanello, LBUSD Math Curriculum Office, 2004

tolerance specifies allowable ranges in measurements one half the difference between the maximum and minimum values Chris Giovanello, LBUSD Math Curriculum Office, 2004