Vocabulary
Slope
Using Slope A
Using Slope B
Parallel and Perpendicular Lines
Linear vs Non-Linear?
100
A ratio that indicates the direction and the steepness of a line.
What is the definition of slope?
100
The slope of this graph.
What is
-2/3?
100
The graph of the line that has a slope of
1/4
and passes through (4,2).
What is 
100
The graph of 5x=15.
What is 
100
(True or False)
The graphs of y=10 and y=10x are parallel to each other.
What is false?
100
Gypsy Moth population quadrupling every year.
What is an example of a non-linear situation?
200
The point where a graph passes through the y-axis.
What is the y-intercept?
200
The slope between these points (6,3) and (2,1).
What is
1/2?
200
The graph of the line that has a slope of
-4/5
and has an x-intercept of -2.
What is
200
The slope in this context and what it represents.
Start with $300 in your bank account and spend $20 every week on lunches.
What is -20?
and
What is the rate at which you spend money each week on lunches?
200
The value of h so that the line that contains (3,1) and (-3,-2) is perpendicular to the line that contains (-2,3) and (6,h).
What is -13?
200
I already read 50 pages in my IR book and I plan on reading 10 pages a night.
What is an example of a linear situation?
300
Lines that have opposite-reciprocal slopes.
What are perpendicular lines?
300
The slope of the line that is parallel to
3x+2y=6.
What is
-3/2
300
The equation of the line that has a slope of 5 and passes through (0,3).
What is y=5x+3?
300
The y-intercept in this context and what it represents.
Start with $300 in your bank account and spend $20 every week.
What is (0,300) and how much money you started with in your bank account?
300
The value of k so that the line 2y - 8x = 10 is parallel to the line 4kx - 8y = 8.
What is 8?
300
What is an example of a non-linear situation?
400
Undefined
What is the slope of every vertical line?
400
The slope of the line that is perpendicular to
5y=-4x+15
What is
5/4?
400
The equation of the line that has an undefined slope and passes through (t,r).
What is x = t?
400
How much money you will have left in your bank account after 6 weeks if you start with $300 in your account and spend $20 every week on lunches.
(Write the equation and use Algebra to determine the answer!)
What is $180?
400
The equation of the the line that is perpendicular to y=2 and passes through (5,3).
What x = 5?
400
3x^2+2x+1=y
What is an example of a non-linear situation?
500
Lines that have the same slope but different y-intercepts.
What are parallel lines?
500
The slope of the line that passes through (-5,7) and (2,7).
What is 0?
500
The equation of this line
What is
y=-1/2x+3?
500
The y-intercept and what it represents in this context.
The slope of the 1st line segment and what it represents in this context.
The slope of the 2nd line segment and what it represents in this context.
The slope of the 3rd line segment and what it represents in this context.
When I was saving the money at the fastest rate.
The equation for the 1st line segment.
How much money I would have after 20 weeks if the 1st line segment continued rather than turn horizontal.
______________________________________
You decided to start saving money for college. The graph below represents the amount of money in your savings account relative to the number of weeks you have been saving.
What is (0,100) and how much money I started with?
What is 50 and the fact that I was saving $50 every week during that portion?
What is 0 and the fact that I did not save any money during that portion?
What is 25 and the fact that I was saving $25 every week during that portion?
What is during the 1st portion/line segment because that is when the slope is the biggest?
What is y = 50x +100?
What is $1100?
500
Graph the line that is parallel to y = 2x + 4 and has the same y-intercept as 4y=20x-12.
What is 
500
What is an example of a linear situation?