Slope of a Line
Identify the slope of the line in the following equation:
y= mx + b
The slope is m.
What form do we use to graph a proportional relationship?
y = mx
What variable is used to identify the y-intercept?
b
Identify the slope of the line in the following equation:
y = 2x + 2
m = 2
What form do we use to graph a linear equation?
y = mx + b
y=-3/4x
b = 0
2(4x - 1) = -8x - 2
One solution
x = 0
What are two ways to describe/ find the slope of the line?
Rise over Run
Change in y over change in x
Graph the following equation. Identify at least 3 points.
y = 1/3x + 4
(0, 4)
(3, 5)
(6, 6)
(-3, 5)
(-6, 6)
Write an equation who's line pass through the point
(0, -4) and has a slope of -2.
Solve the equation:
2(4x - 1) = 8x - 2
Infinitely many solutions
Find the slope of the line that goes through the following points:
(4, -5) and (-4, 5)
Graph the line of the following equation. Identify at least 3 points.
y = -1/2x - 5
(0, -5)
(2, -6)
(4, -7)
(-2, -4)
(-4, -3)
Write an equation for the following line:
m = 2/3
Pass through the points: (0, -2) (3, 0)
y = 2/3x -2
Solve the equation:
-2(4x - 1) = -8x - 1
No solution
Find the slope of the line that goes through the following points:
(-12, -9) and (-3, -3)
m= 2/3
Graph the line of the following equation. Identify at least 3 points.
y = -3x - 3
(0, -3)
(1, -6)
(2, -9)
(-1, 0)
(-2, 3)
Tickets to a baseball game cost $22 each and parking costs $10. Write an equation to represent the total cost of attending a game.
y = 22x + 10
Solve:
-0.2(x - 20) = 44 - x
x = 50