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Vocabulary 1
Vocabulary 2
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Adding Integers
Subtracting Integers
100
Relationships that have straight-line graphs are called....
LINEAR RELATIONSHIPS
100
Used to describe the steepness of a straight line...
SLOPE
100
-32 - (-50)
18
100
-10 + -28
-38
100
22-13
9
200
Rate of change between any two points in a linear relationship is the same or constant. A linear relationship has a .......
CONSTANT RATE OF CHANGE
200
Slope is the ratio of the ______, or vertical change, to the _____ or the horizontal change.
RISE RUN
200
______________ is an algebraic model that can be used to find the exact solution of a system of equations.
SUBSTITUTION
200
-39 + -29
-68
200
52 - (-49)
101
300
When the ratio of two variable quantities is constant, a proportional relationship exists, which is called...
DIRECT VARIATION
300
Non-proportional linear relationships can be written in the form y=mx+b. This is called....
SLOPE-INTERCEPT FORM
300
You can write an equation of a line in slope-intercept form when you know the slope and y-intercept. You can write an equation of a line in....
POINT-SLOPE FORM
300
16 + -21
-5
300
300-528
-228
400
Constant ratio is called the _________________________ or __________________________.
CONSTANT OF VARIATION CONSTANT OF PROPORTIONALITY
400
The __________ of a line is the x-coordinate of the point where the graph crosses the x-axis.
X-INTERCEPT
400
Two or more equations with the same set of variables are called a .... ex. y=4x and y=4x+2
SYSTEM OF EQUATIONS
400
83 + 60
143
400
40-23
17
500
_____________ of a line is the y-coordinate of the point where the line crosses the y-axis.
Y-INTERCEPT
500
When an equation is written in the form Ax+By = C, where A > 0, and A, B, and C are integers, it is written in...
STANDARD FORM
500
90 + -20
70
500
928 + -128
800
500
11-62
-51