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 Question 3354: This is a tough one. 3y^2+4xy-9x^2=-1 A. Solve for X in terms of Y B. Solve for Y in terms of X Click here to see answer by pannalal(9)

 Question 3370: explain why for a right angle triangle with legs a,b and hypothenusec, we get the result C2=A2+B2 Click here to see answer by longjonsilver(2297)

 Question 1515: I'm having a problem solving 7x^2 = 84 or 7xsquared =84 thank you Click here to see answer by nitsk13(2)

 Question 3457: I have these six problems that I need to work and can't remember what to do. 1. x^2-4=0 2. x^2+x=0 3. x^2+7x+12=0 4. x^2+5x=-4 5. 3x^2+5x-10=0 6. 4x^2+3x+8=0 Click here to see answer by drglass(89)
 Question 3457: I have these six problems that I need to work and can't remember what to do. 1. x^2-4=0 2. x^2+x=0 3. x^2+7x+12=0 4. x^2+5x=-4 5. 3x^2+5x-10=0 6. 4x^2+3x+8=0 Click here to see answer by AnlytcPhil(1278)

 Question 3453: I am stuck on a quadratic graph question. y = (x-2)squared, sorry i can`t do a little 2 so i put squared, i can do other quadratic graphs and the working, but can`t find how to solve this 1 Click here to see answer by Pieter(35)

 Question 3585: I need help (x^2+2x)^2-5(x^2+2x)+6=0 and x^1/2-11x^1/4+30 and 6x^3/5-24=0 Click here to see answer by khwang(438)

 Question 3581: What is Quadratic inform method how do you solve this: (x^2+2x)^2-5(x^2+2x)+6=0 and x^1/2-11x^1/4+30 How do you this Solve Equation 6x^3/5-24=0 Click here to see answer by longjonsilver(2297)

 Question 3564: i asked a question earlier that was answered by longjonsilver but i said the wrong numbers, i said (0,2) when it should have been (2,0)so here it is again; ``Here is a tricky question i think you may have trouble with. A graph is in the form of X(squared)+PX+Q=0 , where P and Q are numbers. Find P and Q if two points on the graph are (2,0) and (-3,-5). Click here to see answer by longjonsilver(2297)

 Question 3656: Which of the following trigonometric functions of x is not correct given that sin x > 0 and sec x = -2? • csc x = ( 2 sq rt 3) / 3 • cos x = - 1 / 2 • cot x = - ( sq rt 3 ) / 3 • tan x = - ( sq rt 3 ) / 2 Click here to see answer by Zenock(15)

 Question 3696: Identify the real zeros to the nearest tenth for the function f(x) = x3 - 6x - 9. Click here to see answer by khwang(438)

 Question 3695: If f(x) = x3 + 4 and g(x) = x + 3, find [g • f](2) Click here to see answer by longjonsilver(2297)

 Question 3694: How many positive real zeros does the funtion f(x) = x4 + x3 - 7x - 1 have? Click here to see answer by longjonsilver(2297)

 Question 3709: I am having a very hard time understanding college algebra. Can anyone help me solve these problems. The first 3 problems have to do with sequences. 1. 5,3,7,1,9,-1 Find a9 then find sum of 9 2. 12,9,6, What is 25n, and what is sum of 25 (s25) 3. 4,8,16 Find a12 and find sum of 12 (s12) 4. (x+y)^7 Expand 5. (2x+3y)^4 Expand 6. (3x-2y)^5 Expand On this last one he gave us a hint but i do not understand. (x-y)=[(x)+(-y)] Can anyone please help!!!!!!!!!!!!!!!!!!! Click here to see answer by khwang(438)

 Question 3740: Can someone please help me with this problem. I have tried working it but I do not understand it. Thank you in advance The height of a ball at time t is given by h=-16t^2 - 6t +32 a)What was the initial hegiht of the ball? b)Approximately how long does it take for the ball to hit the ground? Click here to see answer by longjonsilver(2297)

 Question 3840: the numbers a, b, c are the terms of a geometric sequence so that a+b+c=35 and abc=1000 find a, b and c Click here to see answer by longjonsilver(2297)

 Question 3854: Im trying to do my homework, but I dont understand it. It says y=x(squared)+1 and to find the Y-intercept: X-Intercept: Vertex: axus of symmetry: Thanks. Click here to see answer by longjonsilver(2297)

 Question 3852: f(x)=-(3 - x)squared. Indicate if the graph is maximun or minimum. Click here to see answer by longjonsilver(2297)

 Question 3908: Solve the equation log314 + log3x = log342. Click here to see answer by longjonsilver(2297)

 Question 3925: Here is a problem I need a solution for. Two people are passing a volleyball back and forth. They are 30 feet apart. Player one contacts the ball when it is 2 feet from the ground and passes it the other player, (30 feet away) who contacts the ball when it is also 2 feet off the ground. The highest point in the path of the ball is 11 feet. How do I use a quadratic equation to plot this? Click here to see answer by longjonsilver(2297)

 Question 3950: What is the sum of the infinite geometric series with a1 = 27 and r = -4/5? Click here to see answer by longjonsilver(2297)

 Question 3951: Explain the difference between equivalent expressions and equivalent equations. Show an example of each Click here to see answer by longjonsilver(2297)

 Question 3953: How does a term differ from a factor? Identify terms and factors in these examples: 5xy, x2 + 2y + 1, (x + y)(x - y) e.g. 7ab is a term; 7, a, and b are factors) Click here to see answer by longjonsilver(2297)

 Question 3954: Explain the difference between equivalent expressions and equivalent equations. Show an example of each Click here to see answer by longjonsilver(2297)

 Question 3978: What is Sn of the geometric series with a1 = 4, an = 256 and n = 4? Click here to see answer by Earlsdon(6294)

 Question 3976: I need help on this problem. Thankx What is Sn for the arithmetic series with d = -4, an = 27, and n = 9? Click here to see answer by Earlsdon(6294)