Assignment 3
1. Plot the following sets of data. Label each as positively correlated, negatively correlated, or nonlinear. If it appears to be linear, use your calculator to fit a line to the data, and plot the line.
|
x |
y |
|
1 |
2.063538 |
|
2 |
3.841306 |
|
4 |
7.996699 |
|
5 |
10.12742 |
|
6 |
11.84464 |
|
8 |
16.15795 |
|
9 |
17.99222 |
|
11 |
21.84931 |
|
15 |
29.94029 |
|
16 |
31.98968 |
|
x |
y |
|
1 |
4.649775 |
|
2 |
4.479621 |
|
4 |
2.856704 |
|
5 |
2.125096 |
|
6 |
2.108221 |
|
8 |
0.533278 |
|
9 |
0.986992 |
|
11 |
-0.06667 |
|
15 |
-2.10242 |
|
16 |
-3.17803 |
|
x |
y |
|
1 |
5.775736 |
|
2 |
6.626259 |
|
4 |
13.27297 |
|
5 |
17.89685 |
|
6 |
23.47069 |
|
8 |
36.57771 |
|
9 |
45.07232 |
|
11 |
65.64304 |
|
15 |
117.794 |
|
16 |
133.2739 |
2. Solve the right triangles for the missing side
a. leg1 = 2, leg2 = 3
b. leg1 = 3, hypotenuse = 4
c. leg1 = 1, leg2 = 1
d. leg2 = 1, hypotenuse = 5
3. Find the distance between the following pairs of points.
a. (-1,-1) and (2,-4)
b. (1,6) and (5,2)
4. The distance from the point (x,y) to (3,1) is 4. What equation must x and y satisfy?