Number of results: 130,732

**Math/Precal**

How do i solve for x: (9^2x)/(27^x-2)=81^3x-4

*April 26, 2016 by Jan*

**Math/Precal**

i would like help for x with the equation: 2(3^x)=5

*April 21, 2016 by micheal*

**Math/precal**

How do i solve y=7b^x to find the y and x intercept?

*April 25, 2016 by Carl*

**Math/Precal**

how do i solve log(8y-7)/logy

*April 25, 2016 by Maxx*

**math: precal**

How do I find the zeros of a polynomial function?

*March 20, 2011 by leena*

**Math/Precal**

What are the first three terms in the expansion of (-4x-3)^5??

*May 11, 2016 by Hurly*

**Math/Precal**

Given sinA=3/5 and cosA=5/13, find sin2x

*March 18, 2016 by Angel*

**Precal/Math**

How do i find the equation in the form: y=a(sqrt b(x-h))+k From the points (-5,3) (-4,-1) (-1,-5)

*April 5, 2016 by Bobbie*

**Math/Precal**

Given cos a = -4/7 and sin b = 3/5, where a and b are not in quadrant 2, find the coordinates of p(a+b)?

*March 15, 2016 by Maxx*

**Precal/math**

How do i write this as a single trigonometric function?? (2sin pi/12)(cos pi/12)

*March 17, 2016 by Maxx*

**Math/Precal**

Given the word OCTOBER, how many different 3 letter words can be created??

*May 12, 2016 by Cierra*

**precal/math**

use calculator to approximate sec 10 degrees. round to 2 decimal places.

*January 11, 2010 by justjen93*

**Math/Precal**

In a poker hand of 5 cards how many ways can you get a full house? (3 of a kind and a pair)

*May 11, 2016 by Maxx*

**Math/Precal**

How many 4 digit numbers greater than or equal to 3000 and less then 8000 can be formed with no repition in there digits??

*May 12, 2016 by Bub*

**Math Analysis (PreCal)**

write the equation of a sine function whose amplitude: 2 period: π/2 phase shift: 2/3

*March 7, 2013 by Daijha*

**precal**

4(3.75^1/64-1)=r

*February 13, 2012 by dave*

**precal**

(x^2+11)/(3-x) x=4i

*August 21, 2012 by katie*

**Precal**

wa

*May 21, 2013 by gdfd*

**Math/Precal**

There are 12 students to be seated in a row of 12 chairs, paul and martha have broken up and will not sit together. How many different seating arrangements are possible?

*May 12, 2016 by Carli*

**Math/precal**

Determine the exact value of tan(38pi/12) or tan(19pi/6)

*March 18, 2016 by Cabby*

**Precal/math**

for composite functions i have a graph of f(x) and g(x) and i have to find (f⋅g)(0) so is that when f and g is 0 on the x or y?

*May 24, 2016 by Maxx*

**math**

Are is their a good website that has good video with precal lessons im havong difficulty with a bad teacher

*January 26, 2016 by KAy*

**math**

Are is their a good website that has good video with precal lessons im havong difficulty with a bad teacher

*January 27, 2016 by KAy*

**technical math/precal**

18/3square roots of 6-7square roots of 2

*May 3, 2011 by Becky*

**Math (Precal)**

csc^2x secx/sec^2x+csc^2x simplify.

*May 9, 2011 by Rose*

**precal log**

4^(2x-5)=8^(x-3) Thanks

*April 9, 2008 by Deb*

**precal**

(48)with the exponent of 1/2

*January 7, 2009 by ash*

**precal**

(-8)the exponent is -1/3

*January 7, 2009 by ash*

**precal**

solve for x: (x^2-2x)^2 -11(x^2-2x)+24

*September 18, 2012 by katie*

**precal**

Solve for y: (y-(10/y))^2+6(y-(10/y))-27=0

*September 18, 2012 by katie*

**PreCal**

Solve for x. -3x^2+8=-4

*September 14, 2013 by Anonymous*

**Precal**

graph 2x^2/(x-2)(x+4)

*March 9, 2015 by Precalculas*

**precal**

sqrt2/2^2

*March 15, 2015 by LK*

**Precal**

Solve for x 9^(x^2) = 3^(-5x-2)

*April 5, 2015 by Anonymous*

**Precal**

Solve for x 9^x - 4 * 3^x +3=0 I know the 9^x = (3^x)^2

*April 6, 2015 by Anonymous*

**precal**

3sin3x+2=4

*November 25, 2015 by jennifer*

**Precal**

b^2=13^+8^2-2(13)(8)cos135

*April 7, 2016 by Bo*

**Math Precal/Trig**

Solve for n. 7((1-(-3)^n)/(1-(-3))=3829 I was confused on distributing the number 7, because we've always had problems with the number 1 on the outside.

*September 18, 2014 by Samee*

**precal (log)**

3^(log3(4x)) thank u

*April 8, 2008 by Deb*

**precal**

solve by subsituting 5x+4y=7 x-3y=9

*April 15, 2008 by Deb*

**precal**

are there solutions to x^3+27i=0 is so what are they?

*December 30, 2010 by sue*

**precal**

(root2-root2i)^6

*May 20, 2011 by joe*

**PreCal**

How do you simplify i38?

*September 7, 2011 by Chandra*

**precal**

cotxsinx=cosx

*March 23, 2012 by olivia*

**precal**

cosx/sinxcotx=1

*March 23, 2012 by olivia*

**Precal**

log(base 5)((x^2+2x+1)/x^2)

*January 22, 2014 by Me*

**precal**

which of the following is an asymptote of f(x)= 5/x+6

*February 21, 2014 by harley*

**PreCal**

Solve The Inequality 0 < -9x/x-x^2

*March 23, 2014 by Maria*

**Precal**

Is y=-2 x 5^x a monomial function?

*February 1, 2015 by Anonymous*

**precal**

demoivre theorem (2-2i)^8

*March 15, 2015 by LK*

**Precal**

How do i find the asymptotes? y=(1/x-4)+3

*February 26, 2016 by Maxx*

**Precal**

solve for x if -2=log(3x+5)

*October 20, 2016 by Mace*

**Precal**

how to express 3+4i in polar form

*February 7, 2007 by Icon44*

**precal**

logs 9^(2x-5)=27(x+4) and 3log(underscore4)(2x-1)=15 Thank you

*March 31, 2008 by Deb*

**Precal**

Would this be the answer for this problem 2x^3-x^2 > x x>1 or 0>x>-1/2

*December 8, 2008 by Jaslyn*

**Precal**

Would the limit of lim x-->3 (x^3 -27)/(x^2 -9) be: 9/2?

*December 8, 2008 by Jaslyn*

**Precal**

How do you find the 6th root of -i?

*December 11, 2008 by Sara*

**precal**

simplify: csc²x secx

*March 8, 2010 by john2*

**precal**

How do you solve: sin[arccos(-2/7)] ?

*May 23, 2010 by anonymous*

**precal**

find all the roots of x^4-8x^2+5.

*August 18, 2010 by john2*

**Precal**

What are the roots, real and imaginary of: Y=x^4-6x^3+9x^2-6x+8

*January 13, 2011 by Breana*

**precal**

identify the trigonometric form of -6+6i

*May 20, 2011 by joe*

**precal 2**

solve the equation 4cos^2x-1=0

*July 24, 2011 by denise*

**PreCal**

Write the expression (7 – 7i) + (–8 – 2i) in the form a + bi

*September 7, 2011 by Jake*

**precal**

sec^4x-tan^4x=1+2tan^2x

*March 23, 2012 by Anonymous*

**precal**

sin^2x-1=sec^2x-tan^2x

*March 23, 2012 by olivia*

**precal**

csc^2x-cos^2xcsc^2x=1

*March 23, 2012 by olivia*

**precal**

sin^2x/cosx=sec^2x-1

*March 23, 2012 by Lynn*

**precal**

Find the Difference quotient: 4/(x-3)^2

*November 6, 2012 by katie*

**precal**

find the domain and inverse for (f)= 2 + 1/(e^(x/3-5)

*February 20, 2014 by hamal*

**precal**

how do you use demoivre theorem for (-1+i)^7

*March 15, 2015 by LK*

**Precal**

Is this correct? y^2/25 + x^2/21 =1 Vertices: (5,0),(-5,0) Foci: (0,2),(0,-2)

*April 5, 2015 by Anonymous*

**Precal**

Solve for x and show the steps 1. 3^(x+1) =9^5x 2. 3^(5x)9^(x^2) =27

*April 5, 2015 by Anonymous*

**Precal**

Can you explain how to complete the square? x^2 -y^2 - 2x +4y-6=0

*April 8, 2015 by Anonymous*

**Precal**

Evaluate the limit of f(g(x)) as x approaches 0. F(x)= 4x-4 G(x)= 8x+1

*May 4, 2015 by Anonymous*

**PreCal**

absolute values solve for "x" 2|5x-5|+4=20

*May 7, 2015 by anonymous*

**precal**

solve for x: 4sin^2x= 4cosx+1

*May 26, 2015 by Anonymous*

**precal**

solve for x: 4sin^2x= 4cosx+1

*May 26, 2015 by Anonymous*

**precal**

solve for x: 4sin^2x= 4cosx+1

*May 26, 2015 by Anonymous*

**PreCal**

A square sheet of cardboard 18 inches is made into an open box (there is no top), by cutting squares of equal size out of each corner and folding up the sides. Find the dimensions of the box with the maximun volume. Volume= base(width)height but base + 2H =18 base + 2W=18 ...

*November 6, 2006 by Chau*

**Math precal**

Show that ab= 1/2 [(a+b)^2 - (a^2+b^2)] Show how's its done i want to learn thank u

*January 10, 2013 by Shelby*

**Precal/Math**

Solve: log(3-2x)-log(x+24)=0

*April 23, 2016 by Bobbie*

**precal**

verify: tanx secx = -2tanx

*March 8, 2010 by john2*

**precal**

complete the identity: sin^4x-cos^4x

*March 8, 2010 by adam2*

**precal**

If lim 1/5^n exists, what is its value? It's either 0.2 or 0

*September 4, 2010 by Anonymous*

**PreCal**

Let g(x)=2x+6 if k(g(x))=4x+12/3-the square root of 2x-5. Find the formula for k(x)

*November 22, 2010 by Vic*

**precal**

Find the components and so that fog =H . H(x)=log_3e^x

*November 9, 2011 by tina*

**precal**

tan3x=(3tanx-tan^3x)/(1-3tan^2x)

*February 6, 2012 by Mayna*

**Precal**

Solve the exponential equation algebraically 5^(-t/2) = 0.20

*June 23, 2013 by Ku*

**Precal**

find the minor axis 1x^2+36y^2=1

*November 29, 2013 by Teagan*

**PreCal**

Solve Using Log Properties: 1/4 = 8^3x+5

*April 4, 2014 by Maria*

**Precal/trig**

sina=3/5, pi/2<a<pi evaluate cos2a

*May 19, 2014 by Anonymous*

**Precal**

Prove algebraically that |w+z|<=|w|+|z| for any complex numbers w and z.

*August 16, 2014 by Josh*

**Precal**

Use row reduction to solve this x+4y=-22 -2X-2y=14

*February 1, 2016 by Kyle*

**precal**

If = 38° and y = 42 cm, what is the value of z to the nearest tenth of a centimeter?

*March 26, 2016 by jay*

**Precal**

Solve the equation: Logx=1-log(x-3)

*April 22, 2016 by Bobbie*

**precal**

Determine the focus of the parabola with the equation x2 - 6x + 5y = -34

*August 11, 2016 by ala*

**precal**

Which of the following functions is the inverse of the function {(1,2),(3,4),(6,8)}? a. {(6,8),(3,4),(1,2)} b. {(2,1),(4,3),(6,8)} c. {(2,1),(4,3),(8,6)} d. {(2,1),(3,4),(8,6)}

*March 27, 2017 by Emily*

**Math/Precal**

what is the first term of an arithmetic sequence if the 7th term is 21 and the 10th term is 126

*February 13, 2010 by Nancy*

**precal**

rewrite cosx/secx-1 not in fractional form

*January 10, 2010 by joe*