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

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 Algebra: Polynomials, rational expressions and equations Solvers Lessons Answers archive Quiz In Depth

 Question 71202: For some reason, they're using a question mark to indicate the plus/minus symbol. That's because the solutions to the quadratic are: -1+2i and -1-2i Use the quadratic formula to find them. Click here to see answer by galactus(183)

 Question 71141: express as a polynomial ( x^2 - xy) (---------)(2x + 6y) ( 2x ) possible answers: x^2 - 3y^2 x^2 + 2xy -3y^2 x^2 + 3x^2y -3y^2 x^2 -xy + 3x^2y -3xy^2 My answer was x^2 +2xy -3y^2 I am not sure that I figured correctly Click here to see answer by ankor@dixie-net.com(15663)

 Question 71206: The formula y = mx + b is a linear equation where m is the slope and b is the y-intercept. Solve the equation in terms of b. Simplify (2x2 - 4x + 6)+(2x2 + 4x - 6) This equation, 6x + 3y = 15, crosses the y axis at ______. Write an equation of a horizontal line passing through the two points (5,-1) and (4,-1). Do not use any spaces in your answer. Click here to see answer by checkley75(3666)

 Question 71174: Solve 20x -16 is less than eqaul to 4(4x - 11) Click here to see answer by elima(1433)

 Question 71205: Find the product: (3x + 5)(4x - 1) Which of the following is the equation of a vertical line? x = y y = -4 y = 3x + 2 x = 8 Simplify: (-3a2b5)2 Find (x - 4)2 Please show how you work the equations? Click here to see answer by checkley75(3666)

 Question 71154: Please someone help me with this question. I have a serious brain cramp __5y____ + __4b_______ axy^2 bx^2y Click here to see answer by ankor@dixie-net.com(15663)

 Question 71180: Solve the formula for the specific variable P = s1+s2+s3 for s3 Click here to see answer by checkley75(3666)

 Question 71179: Solve the formula for the specific variable F = (9/5 C)+32 for C Click here to see answer by checkley75(3666)

 Question 71263: Multiply the following functions. I have been trying to solve this problem and an having troble figuring this one out. I need some help. Thanks Click here to see answer by Earlsdon(6287)
 Question 71263: Multiply the following functions. I have been trying to solve this problem and an having troble figuring this one out. I need some help. Thanks Click here to see answer by bucky(2189)

 Question 71268: Divide the following fraction. (6p -18)/(9p)divide by(3p - 9)/( p^2 +2p) I got the answer of 9p^4 + 18P^2 Is this correct? Thanks for your time. Click here to see answer by Earlsdon(6287)

 Question 71178: Solve the formula for the specific variable P = 2L+2W for L Click here to see answer by checkley75(3666)

 Question 71331: ``Find the product: (3x + 5)(4x - 1) Which of the following is the equation of a vertical line? x = y y = -4 y = 3x + 2 x = 8 Simplify: (-3a2b5)2 Find (x - 4)2 All work needed to arrive at a correct answer. If it is not a question that requires work, you will need to provide a complete explanation of how you determined the correct answer. (Explanations for those problems not requiring work must demonstrate your understanding of the concept.) The correct answer. Click here to see answer by stanbon(57412)

 Question 71367: Can you please help me in solving this problem...instructions...find the value of each of the following polynomials for the given values of the variable. -x^2-5x-6, x=-3 and x=-2 Click here to see answer by checkley75(3666)

 Question 71425: Add or Subtract as indicated. Express your results in simlplest form. I came up with an anwer of Is this correct? Thanks Click here to see answer by jim_thompson5910(28598)

 Question 71429: Add or Subtract as indicated. Express your result in simplest form. The answer I came up with for this problem was: I was wondering if I was doing this correctly. Thanks. Click here to see answer by Earlsdon(6287)

 Question 71442: what will be your strategy in simplifying: (x^2 - 9)/(x^2 - 3x) ? I need some help answering this question. Thanks Click here to see answer by Earlsdon(6287)

 Question 71426: Add or Subtract as indicated. Express your results in simlplest form. I came up with an anwer of Is this correct? Thanks Click here to see answer by ankor@dixie-net.com(15663)

 Question 71478: All work needed to arrive at a correct answer. If it is not a question that requires work, you will need to provide a complete explanation of how you determined the correct answer. (Explanations for those problems not requiring work must demonstrate your understanding of the concept.) The correct answer If x varies directly as y and x is 25 when y is 5, find the constant of variation. Which of the following relations is NOT a function? (2,1), (1,-2), (-3,2), (2,-3) (2,-1), (-1,2), (-2,3), (3,-2) (-3,-2), (-1,0), (0,1), (1,2) (-2,1), (-1,2), (1,1), (2,3) This equation, 6x + 3y = 15, crosses the y axis at ______. The sum of three consecutive ODD integers is 75. Write the equation you would use to find these integers. Click here to see answer by stanbon(57412)