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 Question 460473: Good moprning everyone, This is my question: How do you graph a parabola. How do you know if the parabola opens upward or downward. Thank you Gina Click here to see answer by josmiceli(9671)

 Question 460631: Hello everyone, This is my problem: Find all numbers for which the rational expression is undefined m^3-3m/m^2-4 Click here to see answer by sudhanshu_kmr(1152)
 Question 460631: Hello everyone, This is my problem: Find all numbers for which the rational expression is undefined m^3-3m/m^2-4 Click here to see answer by JimboP1977(308)
 Question 460631: Hello everyone, This is my problem: Find all numbers for which the rational expression is undefined m^3-3m/m^2-4 Click here to see answer by rwm(914)

 Question 460640: Hi again, This is my problem: Use the quadractic formula to solve the equation 2x^2-3x=4 Thank you Gina Click here to see answer by JimboP1977(308)

 Question 460818: I have to solve these using the find the square method. I have been working on them for 30 mins. please help. I have to show the work Click here to see answer by sudhanshu_kmr(1152)

 Question 461037: Use the quadratic formula to find the roots I get a=1 b=1 and c=12 If I'm doing this right I'm getting roots of and Am I right? If so, I do I plug that into the original formula to check the answers (as required in my class)? Click here to see answer by rwm(914)

 Question 461149: Please help me!! Katie kayaks 20 km upstream in 3 hours and returns in 1.5 hours. How fast is the stream flowing and how fast does Katie paddle in still water? Click here to see answer by robertb(4012)

 Question 461169: Breifly discuss the effect of the sign of the coefficient a on the graph of y=ax^2+bx+c. Please include two example of graph to support your thoughts one where a<0 and one where a>0. If you do not include the actual graph, please describe your examples in detail with words. Click here to see answer by stanbon(57307)

 Question 461279: Good morning everyone, I need to find the x and y intercepts of the equation: x^2-6x+5 Thank you Gina Click here to see answer by MathLover1(6627)

 Question 461424: Hello, I have one more: Factor completely: 49b^2-144 Thanks Gina Click here to see answer by rwm(914)

 Question 461451: Give the equation of the line that is perpendicualr to the line y=-3x+7 and passes through point (0, -6) Click here to see answer by rwm(914)

 Question 461655: Hello everyone, I have no idea what to do with this, please help. 20√(-2)^20 now the first 20 needs to be above the √(checkpoint), I just do not know how to express that. Thanks Gina Click here to see answer by rwm(914)

 Question 461800: Hi I hate to bother you all again but this morning I asked help in this problem and no one has answered me, please someone help me. Click here to see answer by rwm(914)

 Question 461871: Death Valley is 282 ft. below sea level. How many yards is this? Click here to see answer by solver91311(16877)

 Question 461997: I am having a lot of problems understanding how this works as I've tried to understand it based on others explanations. I vaugely remember the foil method as I know it was used in areas such as this but it's been a very long time since I've done them. If you could please help me understand how to get the right answer in easier to understand terms step by step for each I would really appreciate it! Thanks!! Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c. Is there more than one way to factor this? Show your answer using both words and mathematical notation. Click here to see answer by stanbon(57307)

 Question 461977: Hello again, I have one more convert to decimal notation 8.04x10^7 Thank you, Gina Click here to see answer by poliphob3.14(115)

 Question 462147: Suppose that the cost C, in dollars, of producing x chairs in a factory is given by the following equation: C = 2x2 – 40x + 2400 How many chairs can be produced for \$4650? Your Solution Click here to see answer by rwm(914)
 Question 462147: Suppose that the cost C, in dollars, of producing x chairs in a factory is given by the following equation: C = 2x2 – 40x + 2400 How many chairs can be produced for \$4650? Your Solution Click here to see answer by graphmatics(170)

 Question 462185: I am doing a worksheet that focuses on demand and revenue. Am having problems writing the correct equations Click here to see answer by richard1234(5390)

 Question 462262: 1. Rewrite y = x2 + 14x + 29 in general form. 2. Rewrite y = 3x2 - 24x + 10 in general form. 3. Solve for x: (x - 9)2 = 1 4. Solve for x: x2 + 24x + 90 = 0 5. Solve for x: 2x2 - 4x - 14 = 0 6. Create your own quadratic equation and demonstrate how it would be solved by graphing, factoring, the quadratic formula, and by completing the square. Click here to see answer by MathLover1(6627)

 Question 462296: Could you please help with this problem? The profit function for the recklus Hang gliding service is P(x) = -0.2x^2 +fx - m, where f represents the set up fee for a customer's daily excursion and m represents the monthly hanger rental. Also, P represents the monthly profit in dollars of the small business where x is the number of flight excursions facilitated in a month. A) if \$30 is charged for a set up fee, and the monthly hanger rental is \$600, write an equation for the profit, P, in terms of x. b) How much is the profit when 40 flight excursions are sold in a month? c) How many flight excursions must be sold in order to maximize the profit? Show the work algebraically. d) What is the maximum profit. Click here to see answer by htmentor(789)