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July 30, 2014

Search: PreCalc

Number of results: 442

Precalc
Hello, good afternoon. I need help with my precalc hw. we are learning about finding zeros I dont which method I should use for this problem: if i is a zero of x^3+3x^2+ix+(4+i) what do i do? synthetic divison? or long division? when i did long division i got a werid ...
October 14, 2008 by Samya

precalc
1. Solve |2x + 5|< 9
November 3, 2009 by kim

PreCalc
please h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 4 8 7 4 9 0
December 10, 2009 by Joe

precalc
(4^x2)^2 mulipled by 1/(4^5x)=64
October 19, 2010 by sarah

Precalc
2^(x) = 0 what should x be to get 0?
January 27, 2011 by Amy

precalc
solve x/x^2-4 - 1/x+2=2
December 7, 2011 by 95

PRECALC
6∑6(2^K-1) K=1
February 20, 2013 by ally

MATH
WHAT IS PRECALC
December 4, 2013 by ASHLEY

PreCalc
Solve for the variable m^2 + 2m +3 > = 0
December 12, 2007 by LT

precalc
what is the domain and range of -4 + 3^(x+2)
July 30, 2008 by Jack

precalc
how do u do evaluateL cos135
December 7, 2008 by nadine

precalc
How do you graph abs(y)=x
July 24, 2009 by annemarie

PreCalc
log base 5 (75)
October 4, 2010 by aaaa

sophmore Precalc Please Help!!
(e^x + e^-x)/2=1
October 17, 2010 by KATELIN

precalc
find where f(x)<0 and f(x)>0 f(x)=xlnx-2x
October 18, 2010 by emily

Precalc
How do adjM work?
March 16, 2011 by Tory

precalc
1/x is less than or equal to 4/x^3
February 5, 2012 by Declan

precalc
how to graph y=5sin[3[2-pi/6]]+2
October 1, 2012 by Deb

Precalc
how do I graph this function? x^2-xy+2x-1=0
October 4, 2012 by Matt

Precalc
how do you find x in 7-=log(x/10^-12)
November 19, 2012 by Rebekah

precalc
partial decomposition 12/x(x-2)(x+3)
May 22, 2013 by jinie

PreCalc
How do i solve for the variable 3x= sqrt5x+1
December 12, 2007 by LT

PreCalc
write in interval notation 2x^2 < or = 9x+5
December 12, 2007 by LT

precalc
what are the slopes of the asymptotes of the hyperbola: (x^2)/9 - (y^2)/4 = 1
February 24, 2008 by Kristen

precalc
Solve sinx+cosx=0 Thanks!
March 6, 2008 by Andrea

precalc
how do u solve for this? sqrt(-10i+12)
October 14, 2008 by Samya

precalc
given e^x=1+x+x^2/2!+x^3/3!+... how do you prove that lim((e^(h)-1)/h)=1 as x->0
February 25, 2009 by sam

PreCalc
How do you find the amplitude of y=7/8sin[(-8/5)x]
May 20, 2009 by Maggie

Precalc
Can you simplify radical 253?
October 9, 2009 by MUFFY

precalc
Let f(x) be linear f(16)=-5 f(20)= -17 Find f(x) Calculate f(12)
April 25, 2010 by Reema

precalc
(3x)^2/(27^x2)=1 I have to find the solution
October 18, 2010 by pauly

PreCalc
Simplify the ratio of factorials. (n+2)!/(n-1)!
November 10, 2010 by B

precalc
find domain of f(x) = 15/sqrt(x+6)
December 18, 2010 by mo

Precalc
(2^(x))(5)=10^(x) steps too please how to solve
February 2, 2011 by Amy~

precalc
Find the equation of the parabola: x^(2)+4x = y-8
April 7, 2011 by Haley

precalc
solve the system of equations: x^(2)+y^(2) = 12 xy = -4
April 7, 2011 by Haley

precalc
How do you solve log5 sqrt125?
April 26, 2011 by Ashley

Precalc
Find (-1+i)^1/3 list steps
December 7, 2011 by 95

precalc
What is the directrix and focus of the equation 1/16(y+4)^2=x-3
December 16, 2011 by 95

precalc
what is the directrix and focus of the equation 1/16(y+4)^2=x-3
December 16, 2011 by 95

precalc
what is the directrix and focus of the equation 1/16(y+4)^2=x-3
December 16, 2011 by 95

precalc!!!!!
Use long division : (a^3-b^3)/ (a-b)
March 18, 2012 by ALISON

Precalc
Find a4 for the arithmetic series with s4=-36 and a1=9
July 21, 2012 by Wren

Math
Precalc (1+i)^3 and the cube root of 8i
March 18, 2013 by Crystal

Precalc
if you have how do u do 2^2x - 2^x - 6 =0 (calc)how do u do it? using logs??
January 26, 2009 by Spencer

precalc
Determine whether the equation is linear in x. 5-3x=0 5=10/2 x+3=x-5
September 14, 2009 by kate

PreCalc
h t t p : / /w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 2 3 0 7 8 3 thats fair but can i ask why you do not perfer to use a formula?
December 7, 2009 by Jo

precalc
How do i verify: cotx = (sin2x)/(1-cos2x)
March 13, 2010 by jill

precalc
Solve log subscript4 112 = x.
September 1, 2010 by Anonymous

precalc
f(x)=Log1/3^(9x)find the domain and range.
January 14, 2011 by madison

precalc
Is sine an even or odd function?
January 21, 2011 by lauren

precalc
Find sec x if sin x = -0.6 and cos x = 0.8.
January 21, 2011 by anna

Precalc
how to solve 5(2^(3x)) = 8 Steps too please answer is ln 1.6 / 3 ln 2
January 26, 2011 by Amy

Precalc
What is the degree of the following polynomial equation? (x+9)(x-5)(x+2)=0 1. 2 2. 3 3. 4 4. 5
February 20, 2011 by CJ

Precalc
What is the upper and lower bound of sin x+2
October 24, 2011 by Max

Precalc
By appropriate calculations, show that: lim r(x)=5c^4 (x->c)
January 18, 2012 by Grace

Precalc
Evaluate Tan[(3pi-70000pi)/2]
March 28, 2012 by Megan

precalc
(cos3x)^4+(sin3x)^4=cos(g(x)) find g(x)
April 21, 2013 by dylan

precalc
(cos3x)^4+(sin3x)^4=cos(g(x)) find g(x)
April 21, 2013 by dylan

precalc
(cos3x)^4+(sin3x)^4=cos(g(x)) find g(x)
April 21, 2013 by dylan

Precalc
what is the inverse tangent of negative root3/3
June 16, 2013 by Anonymous

Math/precalc
What is the period and amplitude of y=3tan(2/3x-pi/6)? Thanks!
March 28, 2014 by Emily

precalc
verify the identity ((cosxcotx)/(1-sinx))-1=cscx
April 1, 2008 by billy bob j

Precalc: Logarithms
Solve for x? xln(x) + 1 > x + ln(x) e^1/x > 1 Any help would be appreciated. THANK YOU!
August 3, 2008 by Joe

Precalc
how do u find the zeros of x^3+13x^2-16x+8? w/o a calc?
October 29, 2008 by Kate

Precalc.
solve the equation on the interval [0,2pi) sin^2x=1
March 19, 2010 by Anonymous

Precalc
I think it was skiped can you post resposne in this question h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 9 8 2 9 1 7 1
March 28, 2010 by Kate

Precalc
Find the vertex and focus of the parabola. (x^2)-(24y) = 0
December 3, 2010 by barb

Precalc
There's f(x) = (2x+3)/(x+4) and g(x) = (4x-3)/(2-x) Solve for x in f(g(x)) I tried this but I could not end up with the answer being x
January 6, 2011 by Anonymous

Precalc
how to solve for x: 500e^(0.3x) = 600 Steps please.
January 26, 2011 by Amy

Precalc (complete the squares)
(2x+1)^2 +4=0 solve the equation. help please :(
November 11, 2011 by Cindy

precalc
Use Sigma Notation to write the sum [10-(1/10)^2]+[10-(2/10)^2]+[10-(3/10)^2]+[10-(4/10)^2]
December 4, 2011 by Alex

precalc
solve 5^y=4^y+3.Round your answer to the nearest tenth.
January 14, 2012 by 95

precalc
f(x) =pi/2-x g(x)= 5sinx/8+cos x find (gof)(pi/2) and (fof)(pi/2)
January 24, 2012 by juli

Precalc-Factoring
I am so confused. How do I factor: 35x^2 - 46x + 15
August 27, 2012 by Daquasianisha

Precalc
Prove: sin2x*sinx/2cosx + cos^2 0 = 1
November 8, 2013 by S

Precalc
Solve the following equation for x in terms of ln and e. (2e^3)-6-(16e^-x)=0
March 3, 2014 by Aly

Precalc
(e^x - 1 )/(x^2 - 1) < 0 Any way to get started? I'd appreciate any help. And also, xlnx + 1 > x + lnx
August 5, 2008 by Joe

Precalc
I dont know if i did this correctly is(x-1) a factor of 17x^10+16x^6+1 its no.. right?
October 19, 2008 by Vi

Trig/PreCalc
Factor the Polynomial completely: 10x^4y-20x^2y^2
December 29, 2008 by Nuna

precalc
express the complex number in standard form(that is like a+bi) 1/2+i 2+i/2-i
October 31, 2009 by kim

trig/PreCalc
Find all real zeros of the function y = -7 + 4
March 23, 2010 by jodi

Precalc
Find the smallest positive answer to the equation: sin(2x)=1
April 7, 2010 by Lori

precalc
Using the formula T= 15(x+y/60+z/3600), give the equivalent degree for 3:30 am
August 28, 2010 by Anonymous

Math- Precalc
could someone please help me solve this problem... e^x - 12e^(-x) - 1
November 15, 2010 by Alex

precalc
Find the vector v with the given magnitude and the same direction as u. ||v||=7, u=3i+4j
March 13, 2011 by Christine

precalc
How do I calculate the number of images in a particular iteration for a transformation?
March 13, 2011 by Carly

precalc
find two functions f and g such that (f+g)(x) = 5 and domain of f + g is [0, infinity)
September 27, 2011 by m

precalc
Write the partial fraction decomposition of the rational expression. 6x^2+1/x^2(x-1)^2
December 4, 2011 by Robert

Precalc
Write a 3 x 4 pre-image matrix for a kite with the points (2,4) (4,5) (6,4) and (4,1)
January 19, 2012 by Grace

precalc
find the solution of the equation in [0,2pi) cos^2x-sinxcosx=0
January 24, 2012 by juli

precalc graph
If it says to identify 5 critical points what would that be?
October 1, 2012 by Deb

Precalc
rewrite sinxtanx/(cosx+1) as an expression that doesn't involve a fraction.
October 23, 2012 by Sophia

precalc
For the equation 2x 3 - 11x 2 + 12x + 9 = 0, the root 3 has a multiplicity of _____.
November 27, 2012 by brenn

Precalc
Write the complex number z = −6 in polar form
February 23, 2013 by Jane

precalc
simplify: (x^-2 - y^-2) / (x^-1 - y^-1) i know you have to get rid of the negative powers, but i cant figure out how, any help?
February 16, 2008 by Devon

Precalc
What annual rate of interest is required to double an investment in 3 years?
January 12, 2011 by Amy

precalc
Rewrite 3y^2 + 6y + 108x - 969=0 in standard form, show work.
December 16, 2011 by 95

Precalc HELP PLEASE
verify 1-sintheta * costheta * tantheta = cos^2theta
January 23, 2012 by valeria

precalc!!!!!
I have to prove this: (a^3-b^3)= (a-b)(a^2+ab+b^2) How do I use long division to get (a^2+ab+b^2). I'm given..... 1). (a^3-b^3)/ (a-b) I cant get that answer. Help?
March 19, 2012 by ALISON

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