algebra1

use the point-slope form linear equation given to complete problems. y-3=3(x+1)

Posted by asmamanasrah March 27, 2013 at 11:25 PM via web. 1 educator answer. »

Solve the following equation for n C (n+1, 3) = C(n,2) I know the answer is 5 - since I did trial and error, but how would I show the work?

Posted by myt123 July 16, 2011 at 11:03 AM via web. Be the first to answer. »

exponential formy=n(034)

Posted by b00107a3 July 3, 2011 at 7:49 AM via web. Be the first to answer. »

Prove that a^2-4a+b^2+10b+29>=0 if a,b are real numbers .

Posted by maisaphie June 12, 2011 at 6:46 PM via web. 1 educator answer. »

Evaluate the summation (k-1)/k! if k goes from 1 to n.

Posted by anneenna June 2, 2011 at 12:10 AM via web. 1 educator answer. »

Solve for x the equation log (2x-5)/(x^2+3)=0?

Posted by anneliese94 May 31, 2011 at 2:49 PM via web. Be the first to answer. »

If x ,y and z are positive numbers and x-y=z, then which of the following must equal 2?A) (x-y)/2z B) (x+y)/(z+2y) C)(2y+2z)/(x+y)...

Posted by jungbac May 31, 2011 at 1:28 PM via web. Be the first to answer. »

ModulusFind the argument and the modulus of the complex number z = 1+i*3^1/2

Posted by deuxtoi May 31, 2011 at 3:35 AM via web. Be the first to answer. »

Perform the following operation and simplify.3x/(4x-1) + 2x/(3x-5)

Posted by gudeapp May 25, 2011 at 2:31 AM via web. Be the first to answer. »

functionsIf f(x)=4x^2 - 3, what is f(x^2)?

Posted by undoitu May 25, 2011 at 1:08 AM via web. Be the first to answer. »

Linear functionsBuild a linear function f knowing that the graph of f passes through the point (1;2) and (3;1) ?

Posted by greynose May 25, 2011 at 12:13 AM via web. Be the first to answer. »

Factorise the expression: b^2 - 21b + 108

Posted by noralbbig May 24, 2011 at 5:01 PM via web. Be the first to answer. »

Polynomials.The polynomial f is divisible by g . Calculate p=f(0)*f(1)*...*f(2009) if f=x^3-4x^2+x+6 and g=x^2-x-2.

Posted by lexijuly May 24, 2011 at 4:11 PM via web. Be the first to answer. »

FunctionFind the inverse function of  g(x)=-2/(x+1)

Posted by galbenusa May 24, 2011 at 8:15 AM via web. Be the first to answer. »

Solve the equation-5126 =-6-5(x+22)^(5/3)   

Posted by abigaile May 24, 2011 at 8:03 AM via web. Be the first to answer. »

Solve the equation 3^(3x^2+5x-4)=9^-3

Posted by portoruj May 24, 2011 at 7:24 AM via web. Be the first to answer. »

functionsVerify if 2x-1/(x^2+1) = f(x) if f(x) = (2x^3+2x-1)/(x^2+1)

Posted by labrrat May 24, 2011 at 6:57 AM via web. Be the first to answer. »

Complex numbers.Write the trigonometric form of the complex number z = 3 + 4i.

Posted by magnet1qu3 May 23, 2011 at 10:10 AM via web. Be the first to answer. »

Find xGive an example of exponential equation with different bases, that is solved by substitution.

Posted by zuzuman May 23, 2011 at 9:35 AM via web. Be the first to answer. »

FunctionsFor the functions f(x)=x^2 and g(x)=(x-7). Find if f(g(x)) = g(f(x)).  What is g(f(2))?

Posted by museinspires May 23, 2011 at 9:22 AM via web. Be the first to answer. »

math equationSolve the equation (x+2)^1/2-(2-x)^1/2=2

Posted by sodelete May 23, 2011 at 8:48 AM via web. Be the first to answer. »

Find x .3*2^2x+2*3^2x =5*6^x.

Posted by for3cast May 19, 2011 at 9:40 AM via web. Be the first to answer. »

A.P.Given x ,4,y,12 the terms of an A.P. find x and y .

Posted by markusg May 19, 2011 at 6:58 AM via web. Be the first to answer. »

FunctionsDetermine the local maxim value of f(x) = ln x / (6*sqrt x).

Posted by l0l1 May 19, 2011 at 6:48 AM via web. Be the first to answer. »

Find the value of x: (5x-6)^1/2=x

Posted by albimaia May 19, 2011 at 6:38 AM via web. Be the first to answer. »

lgx/(1 - lg2) = 2.Find the solution in the simplest form lgx/(1 - lg2) = 2.

Posted by jolyanne May 19, 2011 at 5:41 AM via web. Be the first to answer. »

Determine the point with equal coordinates on the line yDetermine the point with equal coordinates on the line y=0.5x-0.5

Posted by ulichh May 19, 2011 at 5:38 AM via web. Be the first to answer. »

Please, give me a hint to find a polynomial of 4th order. I only know 2 roots: 1-square root 2 and 2-i.

Posted by hahaz May 11, 2011 at 1:48 PM via web. 1 educator answer. »

x=?Calculate x if log2x=log5+log(x-24/5)

Posted by labrrat May 11, 2011 at 1:13 AM via web. Be the first to answer. »

determine coefficients of quadraticGiven (2,9) a point on the graph of f(x), what is t, if f(x) = x^2 - tx - 3?

Posted by bcookie May 10, 2011 at 5:14 AM via web. 1 educator answer. »

math Given P(7,11) and Q(-2,4), find what are length, slope and the midpoint of segment passing through the points?

Posted by pavelpimen May 10, 2011 at 4:57 AM via web. 1 educator answer. »

FractionsSimplify  4t^2- 16/8/t - 2/6

Posted by ggenius May 10, 2011 at 4:30 AM via web. 1 educator answer. »

Calculate x (fractions equation)13/20-7/10x=0.5

Posted by realcomplexnr May 10, 2011 at 3:45 AM via web. 1 educator answer. »

How can I use substitution in the problem 2x-y=5, 3x-2y=9 ?How can I use substitution in the problem 2x-y=5, 3x-2y=9 ?

Posted by sixpenpencil May 10, 2011 at 3:23 AM via web. 1 educator answer. »

Polynomials .Find the polynomial with lowest degree having the following zeros : 2 and 2i .

Posted by fairydrink May 10, 2011 at 3:10 AM via web. 1 educator answer. »

Geometric ProgressionWhat is the value of x and y if 2, x, y, 16 form a geometric progression ?

Posted by gudeapp May 10, 2011 at 2:33 AM via web. 1 educator answer. »

equationFind the solutions of x^4 - 3x^2 + 2 = 0

Posted by printsaltr May 10, 2011 at 1:56 AM via web. 1 educator answer. »

Determine the complex number z if (3z-2z')/6=-5? z' is the conjugate of z.

Posted by ulichh May 7, 2011 at 9:06 PM via web. 1 educator answer. »

Decompose (7x-x^2)^-1 in elementary fractions .

Posted by greta92 May 7, 2011 at 6:20 PM via web. Be the first to answer. »

Verify whether there is a result of multiplication of the complex numbers (-2i+5)(i+7) is a complex number.

Posted by andrzej May 7, 2011 at 6:11 PM via web. Be the first to answer. »

z=?What is the absolute value of z if 3z -9i = 8i + z + 4.

Posted by starshippiy May 5, 2011 at 4:00 AM via web. 1 educator answer. »

math problem.log72 (6) + log 72 (8) = a and log6 4=b-1 . Prove that a(b+3)-3b+1=0.

Posted by solvedphyz May 5, 2011 at 3:00 AM via web. 1 educator answer. »

logarithmsIf log x^3- log 10x = log 10^5   find x

Posted by kamused May 5, 2011 at 1:41 AM via web. 1 educator answer. »

Find x:Find x: (3x+7)(x-1) = 24.  

Posted by raydusol May 3, 2011 at 5:55 AM via web. 1 educator answer. »

Solve for x 3^(3x-9) = 1/81.Solve for x 3^(3x-9) = 1/81.  

Posted by sirserie May 3, 2011 at 3:57 AM via web. 1 educator answer. »

Solve the equation (x-4)^1/2=1/(x-4).Solve the equation (x-4)^1/2=1/(x-4).  

Posted by undoitu May 3, 2011 at 3:12 AM via web. 1 educator answer. »

logarithmsWhat is x if (log2 x)^2+log2 (4x)=4?  

Posted by pavelpimen May 3, 2011 at 1:37 AM via web. 1 educator answer. »

Math questionWhat is x if 4^(4x-15)-4=0 ?

Posted by tufa May 2, 2011 at 6:08 AM via web. 1 educator answer. »

GraphsProve that the graphs of the functions f(x)=2x+1 and g(x)=x^2+x+1 have a point of intersection

Posted by portoruj May 2, 2011 at 5:29 AM via web. 1 educator answer. »

Linear function .What is the increasing linear function if f(f(x))=4x+3 ?

Posted by n1kaa May 2, 2011 at 3:28 AM via web. 1 educator answer. »