8.08, part 2
11. find an equation in standard form for the hyperbola with vertices at (0...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 19.10.2019 05:00, dondre54
8.08, part 2
11. find an equation in standard form for the hyperbola with vertices at (0, ±6) and foci at (0, ±9).
a) y squared over 45 minus x squared over 36 = 1
b) y squared over 81 minus x squared over 36 = 1
c) y squared over 36 minus x squared over 81 = 1
d) y squared over 36 minus x squared over 45 = 1
12. find an equation in standard form for the hyperbola with vertices at (0, ±4) and asymptotes at y = ± 1 divided by 4. x.
a) y squared over 16 minus x squared over 64 = 1
b) y squared over 16 minus x squared over 256 = 1
c) y squared over 256 minus x squared over 16 = 1
d) y squared over 64 minus x squared over 4 = 1
13. eliminate the parameter.
x = t - 3, y = t2 + 5
a) y = x2 + 6x + 14
b) y = x2 - 14
c) y = x2 - 6x - 14
d) y = x2 + 14
14. find the rectangular coordinates of the point with the polar coordinates.
ordered pair 3 comma 2 pi divided by 3
a) ordered pair negative 3 divided by 2 comma 3 square root 3 divided by 2
b) ordered pair 3 square root 3 divided by 2 comma negative 3 divided by 2
c) ordered pair negative 3 divided by 2 comma 3 divided by 2
d) ordered pair 3 divided by 2 comma negative 3 divided by 2
15. find all polar coordinates of point p where p = negative pi divided by 6 .
a) (1, negative pi divided by 6 + (2n + 1)π) or (-1, negative pi divided by 6 + 2nπ)
b) (1, negative pi divided by 6 + 2nπ) or (-1, negative pi divided by 6 + 2nπ)
c) (1, negative pi divided by 6 + 2nπ) or (1, pi divided by 6 + (2n + 1)π)
d) (1, negative pi divided by 6 + 2nπ) or (-1, negative pi divided by 6 + (2n + 1)π)
16. determine two pairs of polar coordinates for the point (4, 4) with 0° ≤ θ < 360°.
a) (4 square root 2 , 135°), (-4 square root 2 , 315°)
b) (4 square root 2 , 45°), (-4 square root 2 , 225°)
c) (4 square root 2 , 315°), (-4 square root 2 , 135°)
d) (4 square root 2 , 225°), (-4 square root 2 , 45°)
17. the graph of a limacon curve is given. without using your graphing calculator, determine which equation is correct for the graph.
a circular graph with an inner loop on the left
[-5, 5] by [-5, 5] (5 points)
a) r = 3 + 2 cos θ
b) r = 2 + 3 cos θ
c) r = 2 + 2 cos θ
d) r = 4 + cos θ
18. determine if the graph is symmetric about the x-axis, the y-axis, or the origin.
r = -2 + 3 cos θ
a) no symmetry
b) y-axis only
c) x-axis only
d) origin only
19. a railroad tunnel is shaped like a semiellipse, as shown below.
a semiellipse is shown on the coordinate plane with vertices on the x axis and one point of intersection with the positive y axis.
the height of the tunnel at the center is 54 ft, and the vertical clearance must be 18 ft at a point 8 ft from the center. find an equation for the ellipse.
20. determine if the graph is symmetric about the x-axis, the y-axis, or the origin.
r = 2 cos 3θ
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:20, Ghhkgu5120
There are 12 boy and13 girls in a class. if the teacher randomly chooses a student’s name out of a hat what is the probability it will be a girl
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:10, jaimejohnston2
What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:50, destinyharris8502
Which is the graph of this function 3 square root of x plus one if
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00, tdahna0403
Which statement explains the relationship between corresponding terms in the table?
Answers: 1
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/en.png)
English, 17.12.2019 01:31
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/himiya.png)
![Konu](/tpl/images/cats/biologiya.png)