Mathematics

Question about taking limits in calculus

I am working on the final exam review for a college level calculus class. Right now, I am dealing with the Limits Section. Some of the limits are easy to find, but some are giving me trouble. Here ar

Question about Hyperbola, please help!

The question is (x+2)^2= -5(y-1). I thought it would open up since the x^2 is positive but the answer says it opens down. Im confused can someone please tell me how to figure out which way a parabola

Help with x intercepts of a quadratic

how do you find the x intercept of a quadratic with only the vertex and x intercept or if you have a link to an online calculator for this that would be great-The x-intercepts are symmetric about the

Need Serious Math help, 6÷2(1+2)=? Look at description please

ok so yesterday i was on facebook, and facebook made these little questions that turn into polls. so it says 6÷2(1+2)=? it gives us for 2 answers... A. 1 B. 9 so im pretty positive that the answe

What type of graph would be best to display the described data

What type of graph would be best to display the described data? The data is the distribution and range of students scores on a history exam. A. histogram B. bar graph C. circle graph D. box- and-whisk

Two algebra ll problems I need help with

1) If i = the square root of negative one, what is one over a + bi? 2) There are two numbers with the following properties: The second number is 3 more than the first numberThe product of the two num

Why does the value of sin30 not change if the triangle in which the 30 degrees is found is enlarged

Because its still a 30-degree angle, no matter what size the triangle is. If you think of the sine as the ratio of the opposite side divided by the hypotenuse, remember that as you enlarge the triang

School does not offer geometry or precalculus, just goes from trig right to calculus is this a good education

What concepts are probably being omitted by the school, by offering only college algebra, then trig then straight to calculus? They dont offer geometry or calculus at their school. And doesnt this mak

I need help with a math problem

which point is not located on the x-axis of a coordinate grid Is it0+2-9 0 +4 0 or -1 -1-Both (0,2) and (-1, -1) are not located on the x-axis. In order for a point to be located on the x-axis, the x-

Unit 3 Maths exam help...polygon question

Heres the question. Please explain as fully as you can. The size of each exterior angle of an regular polygon is 24[Degrees]. Work out the number of sides the polygon has. any links to sites with

∫4x^3 (x^4 + 1)^3 dx =

its (x^4 + 1)^4 /4 ;)-∫ 4x³(x^4 + 1)³ dx Let u = x^4 + 1.Then, du/dx = 4x³ du = 4x³ dx So: ∫ u³ (4x³ dx) = ∫ u³ du Finally, by integral power rule ∫ xⁿ dx = x^(n + 1)/(n + 1) + c: u^(3 + 1)/(3

I need help on this (trigonometry) 10 points!

If tanA = 2/3 and sinB = 5/√41 and angles A and B are in Quadrant I, find the value of tan(A + B) Thanks in Advance!-(√41)^2 - 5^2 = 41-25 = 16, so other side of triangle is √16 = 4, so tanB = 5/4 t

I have to take 2 year Algebra is that bad?Will I be able to get into a good collage

So today all of 8th grade just got our recommendations for High School and for Algebra i have to take it for 2 years instead of 1 will that affect anything? Like to get into a good collage? please he

Help with an easy question ARGH!!

Write the equation for the parabola in the form y=a(x - h)^2+k A) with a y-intercept 10, x-intercept 2, and equation of axis of symmetry x-3=0 I know this is easy but I cant get it for some reason.

Quick and easy math problem

Im having trouble with this problem: Lines u and v intersect, creating Heres the picture:http://img857.imageshack.us/i/mathproble… So I solved it like this: 85+2d+125-d=180 Then I combined like