A lines y intercept is 12, and its slope is 1. What is the equation in slope intercept form?
y = x + 12
100
If 8 oranges cost $ 10.40, how many oranges can be bought for $ 33.80?
26
100
Write an equation of the line in point slope form that passes through the point (2,4) and has a slope of 6.
y - 4 = 6 (x - 2)
100
Identify the slope of the graph provided. (see graph #1)
2/3
200
Identify the slope and y intercept in the following equation:
Y = 5x + 41
m = 5, y intercept = 41
200
Convert the following linear equation to slope intercept form: 4x + 2y = -8
y = -2x - 4
200
Suppose y varies directly with x. Write a direct variation equation that relates x and y, then find the value of y when x = 1.
y =20 when x = 5
y = 4x.....y=4(1).... so y = 4
200
Write an equation of the line in point slope form that passes through the point (-2, -7) and has a slope of 4/5.
y + 7 = 4/5 (x + 2)
200
Graph the following equation: y=3x - 2.
see graph #2
300
Find the slope of the line that passes through the following points: (2, 12), (3, 16).
4
300
Write an equation in slope intercept form of the line that passes through points (-12, 2), (4, 6)
y = 1/4x + 5
300
Suppose y varies directly with x. Write a direct variation equation that relates x and y, then find the value of y when x = -3.
y= 42 when x =2
y = 12x , so y = -36
300
Write an equation in point slope form of the line that passes through the points (2, 4), (-3, -6)
y - 4 = 2 (x - 2) or y +6 = 2 (x + 3)
300
Graph the following equation: Y= -5x
see graph #3
400
Find the slope of the line that passes through the following points: (-8, 5), (-2, 10)
- 1/2
400
Write an equation in slope intercept form of the line that passes through the points (-2, -8), (-6, -10)
y = 1/2x - 7
400
Write an equation and solve:
the amount of money raised at a garage sale varies directly to the number of customers. The amount of money for 6 customers was $300. How much money will be raised for 50 customers?
y = 50x, y=$2,500
400
Write an equation of the line in point slope form that passes through the points (-6 ,6), (3, 3). Then, write that equation in slope intercept form.
y - 6 = -1/3(x + 6) and y = -1/3x + 4
400
Graph the following equation: y = -1/4x + 6
see graph #4
500
In 2005, Joe planted a tree that was 3 feet tall. In 2010, the tree was 13 feet tall. Assuming the growth of the tree is linear, what was the rate of growth of the tree?
2 feet per year
500
A bike rental shop charges $20 to rent a bike, plus $1.50 per hour you ride. Write an equation in slope-intercept form to model the total amount of money you spend, y, in terms of the number of hours you ride, x.
y = 1.50x + 20
500
If you made it this far, tell Mr. Tony when you get to class and receive the following:
My admiration or some candy, whichever you prefer.
500
Explain why it is sometimes helpful to use the point slope form instead of the slope intercept form.
Point slope form helps you to identify a y intercept when its not provided or not obvious from the graph.