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Ch.1 Algebraic Expressions and Integers
N/A
18
Mathematics
8th Grade
09/22/2014

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Cards

Term
absolute value (pg 19)
Definition
Term
conjecture (p. 35)
Definition
A conclusion reached through inductive reasoning
Term
Coordinate Plane (pg. 52)
Definition
The plane formed by two number lines that intersect at their zero points.
Term
Counterexample (pg 37)
Definition
An example that proves a statement false.
Term
evaluate an expression (14)
Definition
To replace each variable with a number, and then follow the order of operations.
Term
inductive reasoning (35)
Definition
Making conclusions based on patterns you observe.
Term
integers (19)
Definition
The whole numbers and their opposites
Term
opposites (19)
Definition
Numbers that are the same distance from zero on the numbers line but in opposite directions.
Term
order of operations (19)
Definition

1. Work inside grouping symbols

2. Simplify any terms with exponents

3. Multiply and divide in order from left to right

4. Add and subtract in order from left to right.

Term
ordered pair (52)
Definition
A pair of numbers that gives the location of a point in a coordinate plane (3,6)
Term
origin (52)
Definition
The intersection of the x-axis and the y-axis in a coordinate plane.
Term
quadrants (52)
Definition
The four regions determined by the x and y axes of the coordinate plane
Term
variable (4)
Definition
A letter that stands for a number.
Term
variable expression (4)
Definition
A mathematical phrase that uses variables, numbers, and operation symbols
Term
x-axis (52)
Definition
Horizontal number line that together with the y-axis, establishes the coordinate plane.
Term
x-coordinate (52)
Definition
The horizontal  position of a point in the coordinate plane.
Term
y-axis (52)
Definition
The vertical numbers that, together with the x-axis, forms the coordinate plane
Term
y-coordinate (52)
Definition
The vertical psoition of a point in the coordinate plane.
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