8.08, part 2
11. find an equation in standard form for the hyperbola with vertices at (0...
![subject](/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
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:00
The measures of the angles in △abc are given by the expressions in the table. angle measure angle a 65° angle b (3x−10)° angle c (2x)∘ find the value of x. then find the m∠b and m∠c.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 10:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 10:30
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 10:30
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 10:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.06.2019 10:30
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 10:30
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 10:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/fizika.png)
Physics, 25.06.2019 10:30
![question](/tpl/images/cats/es.png)
Spanish, 25.06.2019 10:30
![question](/tpl/images/cats/istoriya.png)
History, 25.06.2019 10:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.06.2019 10:30
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 10:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 10:30