Activity 1 – Triangles
|y = 5x2 |
|x |y |
|-5 |125 |
|-4 |80 |
|-3 |45 |
|-2 |20 |
|-1 |5 |
|0 |0 |
|1 |5 |
|2 |20 |
|3 |45 |
|4 |80 |
|5 |125 |
Activity 3 – Parabolas II
Objective
The student will evaluate and plot a set of second degree functions to create a picture.
Instructions
1. Create the following XY Coordinate Grid system:
x-range: -10 to 10
y-range: -5 to 30
2. For each of the following formulas and ranges, create evaluation tables similar to the example.
Formula x range Formula x range
y = x2 -5 to 5
y = 2x2 -5 to 5 y = x2( 2 -10 to 10
y = 3x2 -5 to 5 y = x2( 3 -10 to 10
y = 4x2 -5 to 5 y = x2( 4 -10 to 10
y = 5x2 -5 to 5 y = x2( 5 -10 to 10
3. Plot the points of each function and connect with a smooth line. Do not plot points that fall outside of the specified grid area. Color each line with a different color.
4. Create a legend indicating each function’s color.
Grading
You will be graded on the following criteria:
Neatness Readability of the evaluation tables, XY coordinate grid, and function plots.
Accuracy Correctly evaluating and plotting the functions.
|y = 5x2 |
|x |y |
|-5 |125 |
|-4 |80 |
|-3 |45 |
|-2 |20 |
|-1 |5 |
|0 |0 |
|1 |5 |
|2 |20 |
|3 |45 |
|4 |80 |
|5 |125 |
Activity 3 – Parabolas II
Objective
The student will evaluate and plot a set of second degree functions to create a picture.
Instructions
1. Create the following XY Coordinate Grid system:
x-range: -10 to 10
y-range: -5 to 30
2. For each of the following formulas and ranges, create evaluation tables similar to the example.
Formula x range Formula x range
y = x2 -5 to 5
y = 2x2 -5 to 5 y = x2( 2 -10 to 10
y = 3x2 -5 to 5 y = x2( 3 -10 to 10
y = 4x2 -5 to 5 y = x2( 4 -10 to 10
y = 5x2 -5 to 5 y = x2( 5 -10 to 10
3. Plot the points of each function and connect with a smooth line. Do not plot points that fall outside of the specified grid area. Color each line with a different color.
4. Create a legend indicating each function’s color.
Grading
You will be graded on the following criteria:
Neatness Readability of the evaluation tables, XY coordinate grid, and function plots.
Accuracy Correctly evaluating and plotting the functions.
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[pic]
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