Concepts
slope
interceptions
forms of the equation
systems of equations
100
what is the shape of the function x+y=2
a line
100
what is the slope of a line that passes through the points (0,2) and (2,4)
m=1
100
what is the x-intercept of the line x+y=2?
x=2
100
is the equation of the slope-intercept form of a linear function
y=mx+b
100
what is the graphic interpretation of the solution of a system of equations?
the point of intersection between two lines
200
is the ratio between the rise and run of a line
slope
200
what is the slope of the line 3x+y=2?
m=-3
200
what is the y-intercept of the line y=-3?
y=-3
200
what is the equation of a line that passes through the point (3,-7) and has a slope m=2?
y+7=2(x-3)
200
what is the point of intersection between the line x=2 and the line y=1?
(2,1)
300
point of the line where x=0
y-intercept
300
what is the slope of parallel line to y-3=5(x-2)
m=5
300
what are the x and y points of interception of the line 2x-y=4?

express the solution in point notation

(0,-4) and (2,0)
300
what is the equation of a line that passes through the points (2,5) and (1,-4)?
y-5=9(x-2) or y+4=9(x-1)
300
what is the solution of the system x+y=2 and 2x+3y=1?
(5,-3)
400
name three methods to solve a system of equations
graphing, elimination and substitution
400
what is the slope of the line 2x+6y=4?
m=-1/3
400
what is the x-intercept of the line y=7?
none
400
what is the standard form equation of the line y+2=-3(x+2)?
-3x+y=-8
400
what is the solution of the system of equations: 3x+6y=9 and 2x-4y=14?

(5,-1)

500
the next points correspond to a linear funcion:

{(1,3),(2,6),(3,9),(4,12)}

what is the equation of the function?

y=3x
500
what is the sing of the slope of the line form by the points: (0,4), (1,5), (2,6), (3,7)
positive slope
500
what is the x and y intercept poins of the equation 

y-3=-2(x-3)

express the solution in point notation

(0,9) and (9/2,0)
500
what is the standard form of the line that passes through the point (2,1) and has a slope equal to 3/4?

-3x+4y=-2

500
what is the solution of the system of equations: x=3, x-y=-2 and 2x-y+z=2
(3,5, 1)
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