Questions and answers by

Abbey(Please help)

Questions (24)

Find an equation of the hyperbola with its center at the origin.vertices:(3,0)(-3,0) Foci (5,0)(-5,0) My answer was x^2/3 -
1. 2 answers
2. 551 views
Test for symmetry with repsect to Q=pi/2, the polar axis, and the pole.r=16cos 3Q r=16cos(3pi/3 + 3h) = 16(cos3pi/2 3h- sin
1. 0 answers
2. 640 views
Find the vertex, focus, and directrix of the parabola.x^2 - 2x + 8y + 9 = 0 x^2 - 2x +1 = -8y + 9+ 1 (x-1)^2 = -8(y-1.25)
1. 2 answers
2. 863 views
The rectangular coordinates of a point are given. Find two sets of polar coordinates for the point for 0 is less than or equal
1. 0 answers
2. 860 views
Find the vertex, focus, and directrix of the parabola.x^2 - 2x + 8y + 9 = 0 x^2 - 2x +1 = -8y + 9+ 1 (x-1)^2 = -8(y-1.25)
1. 4 answers
2. 1,546 views
Find an equation of the parabola.vertex:(-1,2) focus:(-1,0) (x+1)^2 = 4p(y-2) (x+1)^2 = 0(y-2) (x+1)^2 = (y-2) Am I correct?
1. 1 answer
2. 488 views
Use a graphing utility to graph the function. Then use the trace or table feature to identify the limit.lim 5/x-2 x-->2 I know I
1. 1 answer
2. 1,152 views
Find the center, vertices, foci, and eccentricity of the ellipse.9x^2 + 4y^2 - 36x + 8y + 31 = 0 I know the center is (2,-1) For
1. 4 answers
2. 1,083 views
use Demoivre's Theorem to find the indicated power of the complex number. Express the result in standard form.(2+2i)^6 a=2 b=2
1. 3 answers
2. 979 views
Logs are stacked up in apile as shown in the figure. The top row has 15 logs and the bottom row has 21 logs. How many logs are
1. 3 answers
2. 1,248 views
use Demoivre's Theorem to find the indicated power of the complex number. Express the result in standard form.(2+2i)^6 a=2 b=2
1. 0 answers
2. 1,010 views
Find the angle Q between the two vectors.u = 10i + 40j v = -3j+8k cos <10,40,0> <0,-3,8> / sqrt1700 sqrt73 cos(-120/sqrt1700
1. 3 answers
2. 630 views
I have a TI-83 graphing calculator. How do you graph a polar equation on this calculator. Also how would I graph lim 5/x-2 x-->2
1. 1 answer
2. 669 views
Find an equation of the ellipse with its center at the origin.center(0,0) foci(2,0)(-2,0) major axis=8 My answer is x^2/16 +
1. 1 answer
2. 659 views
Find the center, vertices, foci, and eccentricity of the ellipse.9x^2 + 4y^2 - 36x + 8y + 31 = 0 My answer was: center=(2,1)
1. 2 answers
2. 833 views
Write an expression for the most apparent nth term of the sequence. Assume n begins with 1.3,7,11,15,19 My answer was an= 3 +4n
1. 2 answers
2. 1,749 views
When trying to solvearctan(sqrt 567.2 / -459.6) my answer was -2.96. My teacher said that i handled the radical wrong. She said
1. 2 answers
2. 839 views
The rectangular coordinates of a point are given. Find two sets of polar coordinates for the point.(-3,-3)
1. 1 answer
2. 808 views
Determine whether f is continuous at x=c in the function. Use the 3 conditions of continuity to justify your answer.f(x) =
1. 1 answer
2. 1,115 views
plot the point given in polar coordinates and find the corresponding rectangular coordinates for the point.(-1 , -3pi/4) I do
1. 2 answers
2. 2,320 views
I need to graph the polar equation3 + 3cosQ and i need to create a table of values for r and Q. Could someone please explain how
1. 1 answer
2. 517 views
I need to give an example of a function with at least one removable and one non-removable discontinuity. I am not to sure how to
1. 1 answer
2. 514 views
A painter working at 100 feet from the ground, drops his paint brush onto the street below. The function,s(t)=-16t^2+100, gives
1. 3 answers
2. 1,015 views
A point in polar coordinates is given, Find the corresponding rectangular coordinates for the point.(r,Q) = (4, 3pi/2) I know
1. 2 answers
2. 1,322 views