Questions on Algebra: Polynomials, rational expressions and equations answered by real tutors!

Tutors Answer Your Questions about Polynomials-and-rational-expressions (FREE)

Question 76860: i was wondereing if there were any lessons on your website that shows the following problem: Factoring axsquared+bx+c. I need all the help i can get. thanks.
Click here to see answer by jim_thompson5910(28595)

Question 76884: If the ratio of a to b is equal to the ratio of b to a, what can you say about the two numbers a and b? Are they the same or different? Justify your answer.
1.Solve the following equation by using the quadratic formula/completing the square
3x^2 + x + 1 = 0

2.Solve the following equation by the method of your choice
2/3x-1 = 3/x+1

Click here to see answer by Edwin McCravy(8909)

Question 76856: What is -4p^2-25?
Click here to see answer by jim_thompson5910(28595)

Question 76501: How to factor as a polynomial? x^2-5
Click here to see answer by jim_thompson5910(28595)

Question 76829: Can someone show me how to write the rational expression in lowest terms?
r-13/13-r

Click here to see answer by stanbon(57352)

Question 76832: Give two reasons that explain the advantage of using the quadratic formula for solving quadratic equations.
Click here to see answer by stanbon(57352)

Question 76303: please help me with my homework problem. Solve each equation using the zero-factor property.

25y^2+4=20y
Click here to see answer by jim_thompson5910(28595)

Question 76274: Use the ac test to determine which of the following trinomials can be factored. Find the values of m and n for each trinomial that can be factored.
x(squared) + 2x - 15

thanks
Click here to see answer by jim_thompson5910(28595)

Question 76863: PLEASE HELP ME I AM JUST NO GOOD WITH WORD PROBLEMS?
Number problem. If one-half of one integer is subtracted from three-fifths of the next consecutive integer, the difference is 3. What are the two integers?
Click here to see answer by stanbon(57352)

Question 76908: How do I factor 12x^2+43x+35?
Click here to see answer by jim_thompson5910(28595)

Question 76942: please help me with the rational expression. thanks
y^2-5y-14/y^2+y-2
Click here to see answer by funmath(2925)

Question 76941: please help me with the rational expression. thanks
12x^2-4x-5/8x^2-6x-5
Click here to see answer by jim_thompson5910(28595)

Question 76940: please help me with the rational expression. thanks
12x^2-4x-5/8x^2-6x-5
Click here to see answer by Earlsdon(6287)

Question 76944: find the exact solutions to 5x^2+17x+6=0
Click here to see answer by jim_thompson5910(28595)

Question 77032: (10x2-5x+13)+(5x2-2x+10)
Click here to see answer by checkley75(3666)

Question 76995: (a-11)(a+5)
Click here to see answer by checkley75(3666)

Question 77047:
Click here to see answer by jim_thompson5910(28595)

Question 77049:
Click here to see answer by jim_thompson5910(28595)

Question 77049:
Click here to see answer by bucky(2189)

Question 77050:
Click here to see answer by jim_thompson5910(28595)

Question 77050:
Click here to see answer by chitra(359)

Question 77048:
Click here to see answer by chitra(359)

Question 77043: Find the numbers excluded from the domain.

a.) -2, 4/3 B.) 2, -4/3 c.) -2, 3/4 d.) 2, -3/4
Click here to see answer by chitra(359)

Question 77043: Find the numbers excluded from the domain.

a.) -2, 4/3 B.) 2, -4/3 c.) -2, 3/4 d.) 2, -3/4
Click here to see answer by bucky(2189)

Question 77085: Business and finance. The cost, in dollars, of typing a term paper is given as
3 times the number of pages plus 20. Use y as the number of pages to be typed and write a polynomial to describe this cost. Find the cost of typing a 50-page paper. Show your work.
This is my answer is it write?
3y + 20, $169

Click here to see answer by stanbon(57352)

Question 77110: Please show me how to find the least common denominator on my homework question. thank you
t^27t+12, t^2-4t, t.
The choices are. what is the answer and how do I go about finding the answer?
A.) t(t-3)(t-4) B.) t(t+3)(t-4)
C.) t^2(t-3)(t-4) D.) t^2(t+3)(t-4)
Click here to see answer by Edwin McCravy(8909)

Question 77107: Please help me solve. thanks!
(w^2+2w)/(w^2-9) divided by (w^2+7w+10)/(w^2+8w+15)
Click here to see answer by jim_thompson5910(28595)

Question 77106: Please help me to solve my homework question. thanks!

Write in lowest terms

25x^2-16/15X^3+7x^2-4x
Click here to see answer by jim_thompson5910(28595)

Question 77123: x square-3x-4=-2x+2 do i subtract or add -2x from both sides?
Click here to see answer by josmiceli(9680)

Question 76869: I am very stuck can someone pleas help me?
Science and medicine. A plane flies 720 mi against a steady 30-mi/h headwind
and then returns to the same point with the wind. If the entire trip takes 10 h, what is the plane’s speed in still air?
Click here to see answer by ankor@dixie-net.com(15652)

Question 77122: The sum of the squares of two consecutive positive integers is 85. Find both integers. Im not how 2 set up the problem
Click here to see answer by josmiceli(9680)

Question 77142: Please help!!
Differentiate the following function with respect to t.
y = 5/t^2 + 6t^3 - sqrt t
Thanks!!
Click here to see answer by stanbon(57352)

Question 77144: write the GCF of each polynomial
12x^3+6x^2-3x
18x^2+16x-12x^3
6y^2-12y^3+36y^4
Click here to see answer by stanbon(57352)

Question 77151: I would like you to help me. Please tell me if I'm doing this right, if I am what would the next step be. The directions say solve the equation by cross multiplying.
x+3/x+1 = x+4/x+5
(x+3)*(x-5) = (x+1)*(x+4)
x^2+3x-5x-15 = x^2-x+4x-4
x^2-5x-15 = x^2+3x-4
Any help would be greatly appricated.
Click here to see answer by stanbon(57352)

Question 77153: can someone check this for me please?I suppose to write in simplest form
5x-20/7x-28
=5x(x-4)/7x(x-4)
=20/28
Click here to see answer by stanbon(57352)

Question 77154: can someone please check this please?
3y/y^2+5y+4
plus
2y/y^2-1=
2y^2-1=(y-1)(y-1)
y^2+5y+4=(y+1)(y+1)
Click here to see answer by stanbon(57352)

Question 77150: I need help with solving this rational equation please. The directions say to solve by multiplying both sides by the least common denominator.
4/2x+6 - 3/x+3 = x/2

Any help would be greatly appricated.
Click here to see answer by stanbon(57352)

Question 77161: can someone help me please? i keep trying to write in simplest form but never know where it is i go wrong help me?
48a^5b/12ab^2
=4a^5/b^2
Click here to see answer by checkley75(3666)

Question 77160: i have been trying to solve this problem and i am running into problems i keep saying it is no solution am i right?
x
over
5x+10
plus
x-3
over
x+2
equals
7over
5
Click here to see answer by scott8148(6628)

Question 77167: Please show me how to solve. Thanks!
2/x-8 + 4/x+8
Click here to see answer by scott8148(6628)

Question 77167: Please show me how to solve. Thanks!
2/x-8 + 4/x+8
Click here to see answer by stanbon(57352)

Question 77186: Suppose at the kickoff of a football game, the receiver catches the football at the left side of the goal line and runs for a touchdown diagonally across the field. How many yards would he run? (A football field is 100 yards long and 60 feet wide.)
Click here to see answer by bucky(2189)

Question 77183: Leon drove 270 miles to the lodge in the same time as Pat drove 330 miles to the lodge. If pat drove 10 miles per hour faster than Leon, then how fast did each of them drive?
Click here to see answer by stanbon(57352)

Question 77185: Simplify the radical expression. Assume all variables represent positive real numbers.
square root 12a^3/25
Click here to see answer by bucky(2189)

Question 77184: Perform the indicated operation or solve the equation whichever is appropriate.
-2/x = 3/x+2
Click here to see answer by tutorcecilia(2152)

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