click it for more information!
[and here!]CMP - Moving Straight Ahead
[Click here to graph equations. ]
10-15-2001 1. .................2. .................3. ................. 4. .................5. .................6. .................OBJECTIVE:#To connect solutions in graphs and tables to solutions of equations. #To find a solution common to two linear equations by graphing. # to understand how the y-intercept appears in tables and equations. #to understand how the rate of change (the coefficient m) appears in equations and affects the graph of a line. ACTIVITIES: Page 40, Present #3, a,b, and c. Start Investigation 3.4 (Planning a skating party, Pp41ff) NOTES: Develop the vocabulary and notes for the following: y=mx+b; y-intercept; origin; coefficient; point of intersection. Start a step-through on 3.4 HOMEWORK: P50, #27b i & iii Answer all parts of question b in sentences. Hand in notes with assignment.
10-16-2001 1. -HW50#27b i&iii* 2. .................3. ................. 4. .................5. .................6. .................OBJECTIVE: See 10-15 ACTIVITIES: Continue working on 3.4, The Skating Party NOTES: HOMEWORK: Check-Up Take Home (start)
10-17-2001 1. =3.4+folup Notes.2. .................3. ................. 4. .................5. .................6. .................OBJECTIVE: See 10-15 ACTIVITIES: Review of Investigation 1-3 NOTES: HOMEWORK: Finish Check-Up Take Home
10-18-2001 1. -Check-Up........2. .................3. ................. 4. .................5. .................6. .................OBJECTIVE: see 10-15 ACTIVITIES: Correct the Check-Up. Partner Quiz A. NOTES: Partener Quiz A is to be given to a self-selected pair. This is to be completed in one class session and will be graded 10-19 HOMEWORK: QB-1 (See Below)
10-19-2001 1. -QuizBank #1.....2. =Quiz A..........3. ................. 4. .................5. .................6. .................OBJECTIVE: see 10-15 ACTIVITIES: Correct/Score Partner Quiz A. Review Unit. Start on Reflections, Page 52, 2-3-4 NOTES: HOMEWORK: Final Copy, Mathematical Reflections, Page 52, #2, #3 and #4. (Final copy - in blue or black ink or typed/word-processed.)
When you see this mouse
Quiz Bank #1
1. Brent's Video Shack charges $1.50 to rent a video game for a night. Mr. Buck's Entertainments opens a new store in town, charging $1.00 per night for a game, and starts to take customers away from Brent's Video Shack.
- a. Graph each price scheme on the same set of axes.
- b. How could Brent change his charges, so that he includes a one-time membership fee and drops his rental fee below Mr. Buck's, to get his customers back without losing too much money? Graph your proposal, and explain to Brent how it will work.
[WinPlot from Peanut Software ]
How to create a data table and make a coordinate graph from an equation.
Suppose we have an equation like:
y=3x-2 To make a graph from this (or a similar equation) we do the following:
- Determine the variables - in this case x and y.
- Make table with two columns labelled x and y.
x y
- Now you must decide which variable you wish to substitute first - x or y.
Let's do x=1. Substituting 1 in place of x gives us y=(3*1) -2, which is 1. Now we put the value in the table and pick another...
x y 1 1
- Next we can substitute a 2 for x. That gives y = (3*2)-2 which equals 4.
x y 1 1 2 4
- Continue until you have 4 or 5 values for your data table and then make your x-y coordinate plot.
Here is a tool to help you calculate the values: