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 Question 2756: What is r when the problem is 10rSQUARED-96r-40. Can you please show all your steps so I can see how you did it? Click here to see answer by gsmani_iyer(180)

 Question 2763: can you please tell me a real life example of when a parabola is used? or please give me some websites that have this information..im having trouble finding any sources. thank you Click here to see answer by longjonsilver(2297)

 Question 2820: What is the axis of symmetry of x^2+9x+4? Click here to see answer by kiru_khandelwal(79)

 Question 2805: I am a college student returning to classes after a 3 year break. I sure have forgotten a ton in the past three years! Here is my latest problem: How do I solve for X in this equation? Please show me the steps so I can repeat this type of problem. I feel so dunce! Thanks! 100X-4000/100X=.3 Click here to see answer by kiru_khandelwal(79)

 Question 2818: how do you graph x^2-x-7 as a parabola? Click here to see answer by AnlytcPhil(1276)

 Question 2688: Use the equation y=x(squared)-3x-10 -compared to the graph of y=-3x(squared), does this graph open in the same direction or opposite? -find x-intercepts for the graph ----------------------------------------------------- could you please answer as soon as possible and please explain how you got your answer and why it is correct...thank you so much! Click here to see answer by khwang(438)

 Question 2998: what is the slope and y intercept of y=-4x+1 Click here to see answer by indiangangsta(5)

 Question 3004: I'm trying to help my younger sister factorise the following, 144x^2-24, it seems simple but I've forgotten the trick to doing it. Help! Click here to see answer by Jessmh123(22)
 Question 3004: I'm trying to help my younger sister factorise the following, 144x^2-24, it seems simple but I've forgotten the trick to doing it. Help! Click here to see answer by longjonsilver(2297)

 Question 3010: How do you find the domain and range of a quadratic equation??? And if I were to get a complex root from -40+/-the square root of negative 1472 all over 32. Would my X= -40+/- 8the square root of 23i all over 32? And if so, what are the steps to getting there??? Click here to see answer by longjonsilver(2297)

 Question 3099: solve the inequality,state the solution set using interval notation and graph the solution set. 4x^2-8x greater than or equal to 0 Click here to see answer by stop12345now(6)

 Question 3161: Is this a quadratic equation? x + 3 = the square root of 44 + 4x. (NOTE: 44 + 4x is all under the radicand. I don't know how to factor it so that I can subtract 3 from both sides. Would very much appreciate problem detailed on the whole) Click here to see answer by longjonsilver(2297)
 Question 3161: Is this a quadratic equation? x + 3 = the square root of 44 + 4x. (NOTE: 44 + 4x is all under the radicand. I don't know how to factor it so that I can subtract 3 from both sides. Would very much appreciate problem detailed on the whole) Click here to see answer by khwang(438)

 Question 3222: I have been out of school for 10 years and I need help on the quadratic inequality x^2+4x+6>or=3 Click here to see answer by drglass(89)

 Question 3233: Why is it sufficient to define a quadratic function, f(x)=ax^2+bx=c in terms of a, b, and c? Click here to see answer by mixerimaythyme(7)

 Question 3243: How do I solve this equation using the quadratic formula 3-4/x-2/x2=0 THREE - FOUR OVER X - TWO OVER X SQUARED = ZERO Click here to see answer by drglass(89)

 Question 3274: SORRY! I caught a typo error in my question!! Given: h=-16 t squared +vt+ s, a ball can be thrown at 40 ft/s. Set the initial height at 0. 1. a.) When will the ball reach a height of 24 feet? b.) When does the ball hit the ground? 2.) a.) If the ball is thrown at 64 ft/s, when will it reach 48 feet? b.) When does the ball hit the ground? Click here to see answer by khwang(438)