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Find the slope
Given slope and y-intercept write the equation of the line
Given Slope and a point
Given two points
Oldie but goodie
100
(4, 5) and (2,3)
What is 1
100
slope = 2 y intercept = -5
What is y = 2x - 5
100
slope = -2 (6, -3)
What is y = -2x + 9
100
(1, 6) and (3, -4)
What is y = -5x +11
100
Solve 14b = -56
What is -4
200
(1, 5) and (5, 2)
What is -3/4
200
b = 1.5 m = -7
What is y = -7x + 1.5
200
m = 3 (1, -4)
What is y = 3x + 1
200
(2, -3) and (-3, 7)
What is y = -2x + 1
200
-4 = (r/20) -5
What is 20
300
y = 8
What is zero
300
slope = 0 y intercept = 2
What is y = 2
300
m = 0 (-2, 4)
What is y = 4
300
(0, -5) and ( 3,4)
What is y = 3x - 5
300
Solve -9x + 1 =-80
What is 9
400
(-6, 2) and (4, -2)
What is -2/5
400
slope 1/2 y intercept = 0
What is y = 1/2 x
400
Parallel to y = -3x -3 and goes through (-4, -3)
What is y = -3x -15
400
(2, 4) and (1, -2)
What is y = 6x - 8
400
Solve a + 5 = -5a + 5
What is zero
500
x = 5
What is undefined
500
Look at graph on the board
What is y = -2x +3
500
m = 3 x intercept is 4
What is y = 3x - 12
500
(5, -6) and (5, -3)
What is x = 5
500
-(1 + 7x) -6(-7 - x) = 36
What is x = 5