Graphing Points
Slope & y-intercept
Graphing Lines
Linear Systems
Transformations
100
A coordinate pair is given in the form (___, ___)
(x,y)
100
The y-intercept of a line is where the line crosses the _______________.
y-axis
100
In slope-intercept form, y=mx+b, what variable represents the slope? what variable represents the y-intercept?
m=slope
b=y-intercept
100
When solving a linear system graphically, you are looking for where two lines _________ on a graph.
intersect
100
Name the three types of transformations we covered in class.
translations, reflections, rotations
200
The x-axis is the (horizontal/vertical) axis, and the y-axis is the (horizontal/vertical) axis.
horizontal;vertical
200
Slope can be described as ______ over ______.
rise/run
vertical change/horizontal change
200
What is the slope of the line that fits the equation
y=-2x+4
-2
200
Linear systems can have 0, 1, or __________ solutions.
infinity
200
A translation with a rule of (x+2, y-3) will move a figure __________ and _________.
2 units right and 3 units down
300
Sketch the point (0, -2).
answer on board
300
What is the y-intercept of the line below?
3.5
300
Sketch a graph of the line:
y=1/3x-3
answers on board
300
Identify the solution of the linear system:
(5, -2)
300
A reflection produces a __________ of a figure across a line of reflection.
mirror image
400
If a point is in quadrant III, both its x and y values will be _________.
negative
400
What is the slope of the line below?
-2/3
400
Sketch a graph of the following equation:
y=-5/4x+1
(answer on board)
400
MONTANA TRIVIA:
Name at least one of the rivers that join to form the Missouri River.
Jefferson, Madison, Gallatin
400
Name the three things needed to perform a rotation.
HINT: (0,0), 90 or 180, counterclockwise/clockwise
Center of rotation, angle of rotation, direction
500
Name the points:
a: (3,0)
b: (-4, -3)
c: (2, 4)
500
What is the slope of the line that passes through the points (1, 1) and (2, 6)?
5
500
Write an equation in slope-intercept form for the graph below:
y=2x+1
500
Find the solution to the linear system:
y=-4x
y=1/4x
(0,0)
500
Write an equation for the line of reflection:
x=-2