Write the Equation Given a Point and the Slope
Two Points
Solve For y
Is the Point on the Line?
Horizontal and Vertical Equations
100
(0, 0) m=-2
y = -2x
100
(1, 2), (3, -2)
-2x+4
100
y+3=-(x-5)
y=-x+2
100
Is the point (1, -2) on the line y=-3x+1? Show your work.
Yes
100
If the slope of an equation is Undefined, the graph of the line will be a __________ line.
Vertical
200
(8, 2) m=-3/4
y=-3/4x+8
200
(0, 4), (4, 0)
y=-x+4
200
y-6=3(x-1/3)
y=3x+5
200
Is the point (4, 9) on the line y=4x-8? Show your work.
No
200
If the slope of an equation is zero, the graph of the line will be a _________ line.
Horizontal
300
(4, -5) m=-1/2
y=-1/2x-3
300
(-1, 6), (7, -10)
y=-2x+4
300
y-5=1/3(x-6)
y=1/3x+3
300
DOUBLE JEOPARDY!
Is the point (8, 12) on the line y=1/4x+10? Show your work.
Yes
300
Write equation of a line with the points (4, 5)and (4, 1).
x=4
400
DOUBLE JEOPARDY!
(2, 2) m=1/2
y=1/2x+1
400
(6, -25), (-1, 3)
y=-4x-1
400
y+5=2/3(x-6)
y=2/3x-9
400
Is the point (-7, 9) on the line y=-2x-5?
Yes
400
Write the equation of the line with points (6, 1) and (7, 1).
y=1
500
(-3, 0) m=2
y=2x+6
500
(10, -1), (4, 2)
y=-1/2x+4
500
y-2=-1/4(x-8)
y=-1/4x+4
500
Is the point (3, 14) on the line y=5/3x+9?
Yes
500
Write the equation of the line with points (9, 4) and (9,7).
x=9
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