1st 9wks Vocab Flashcards Preview

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Flashcards in 1st 9wks Vocab Deck (21)
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Absolute value

The distance from 0 on the number line

1

Additive inverses

(Opposites) Ex -8 + 8 = 0

2

Associative property

(A+b)+c=a+(b+c) (ab)c = a(bc)

3

Commutative property

x+y=y+x xy=yx

4

Compound Inequality

Two or more inequalities joined by and/or

5

Distributive property

5(x+8)=5x+40

6

Domain

The x-values in a relation

7

Equation

Mathematical sentence that contains an = and can be solved

8

Evaluate

Substitute in given values and then simplify

9

Expression

Mathematical phrase, doesn't have a = or >. Can't be solved

10

Extraneous solution

When a solution to the problem doesn't make the original problem true

11

Function

A relation in which no x-value repeats

12

Inequality

A mathematical sentence that has a > or <, can be solved

13

Literal equation

Formula

14

Multiplicative inverses

(Reciprocals) x=0 x(1/x)=1

15

Ordered pair

(X,y) represents a position on the coordinate plane

16

Range

All the y-values in a relation

17

Relation

A set of ordered pairs

18

Simplify

To use properties and order of operations to make an expression smaller

19

Solution

Any number or numbers that make the original problem true

20

Solve

To use inverse operations to find the value of a variable