chris giovanello, lbusd math curriculum office, 2004 beat the computer! intermediate algebra...

Chris Giovanello, LBUSD Math Curriculum Office, 2004

Beat the Computer!

Intermediate Algebra

Vocabulary for

Unit 1


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


oppositeor

additive inverse


opposite

the opposite of a is -a

Opposites:

4, -4 -5.6, 5.6 0,0


reciprocalor

multiplicative inverse


reciprocal

the reciprocal of a is

Reciprocals:

4, -5.6, 0,none

a1

41

285

6.51 or


absolute value of a real number


absolute value

the distance from zero on the number

line

-12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12

2244 4 2


solution of an equation


solution of an equation

a number that makes the equation true


compound inequality


compound inequality

a pair of inequalities joined by “and” or

“or”


absolute value

of a number x


absolute value

If x 0, then x = x.

If x 0, then x = -x.


extraneous solution


extraneous solution

a solution of an equation derived from an original equation

that is not a solution of the original equation


tolerance


tolerance specifies allowable ranges in

measurements

one half the difference between the maximum and minimum values

chris giovanello, lbusd math curriculum office, 2004 beat the computer! intermediate algebra...

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