For Exercises 51-52, a. Determine the eccentricity of each hyperbola. (See Example 6) b. Based on the eccentricity, match the equation with its graph. The scaling is the same for both graphs. Equation 1: x 2 225 − y 2 64 = 1 Equation 2: x 2 64 − y 2 225 = 1
For Exercises 51-52, a. Determine the eccentricity of each hyperbola. (See Example 6) b. Based on the eccentricity, match the equation with its graph. The scaling is the same for both graphs. Equation 1: x 2 225 − y 2 64 = 1 Equation 2: x 2 64 − y 2 225 = 1
Solution Summary: The author calculates the eccentricity of the hyperbola given by the equations below.
1. A bicyclist is riding their bike along the Chicago Lakefront Trail. The velocity (in
feet per second) of the bicyclist is recorded below. Use (a) Simpson's Rule, and (b)
the Trapezoidal Rule to estimate the total distance the bicyclist traveled during the
8-second period.
t
0 2
4 6 8
V
10 15
12 10 16
2. Find the midpoint rule approximation for
(a) n = 4
+5
x²dx using n subintervals.
1° 2
(b) n = 8
36
32
28
36
32
28
24
24
20
20
16
16
12
8-
4
1
2
3
4
5
6
12
8
4
1
2
3
4
5
6
=
5 37
A 4 8 0.5
06
9
Consider the following system of equations, Ax=b :
x+2y+3z - w = 2
2x4z2w = 3
-x+6y+17z7w = 0
-9x-2y+13z7w = -14
a. Find the solution to the system. Write it as a parametric equation. You can use a
computer to do the row reduction.
b. What is a geometric description of the solution? Explain how you know.
c. Write the solution in vector form?
d. What is the solution to the homogeneous system, Ax=0?
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