Algebra ->  Algebra  -> Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> Questions on Algebra: Quadratic Equation answered by real tutors!      Log On

 Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo . Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Question 336170: Solve the equation 2x + 5 = -1/x Click here to see answer by jim_thompson5910(28476)

 Question 336508: what is the axis of symmetry of f(x)=x2-7x-60 Click here to see answer by edjones(7569)

 Question 336517: Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. 5 - 3z2 = 6z HELP PLEASE Click here to see answer by edjones(7569)

 Question 336529: solve the following equations for x. A) (x)(x)/(0.500-x) = 8.30 B) 2.94=(2.00 x)2/(0.200-x) C) x2/0.20+x)(0.030+x) = 2.00 D) 4.00x2/(0.100-x)(0.200-x) = 1.45 Click here to see answer by edjones(7569)

 Question 336512: How long would it take for a ball dropped from a 400 ft building to hit the ground? Click here to see answer by Fombitz(13828)

 Question 336726: How can I solve 4x^2 + 48x +104 = 0 by applying the quadratic formula? Click here to see answer by Edwin McCravy(8879)

 Question 336832: For the following eqaution, state the value of the discriminant and then describe the nature of the solutions. -8x^2-10x+2=0 Click here to see answer by jim_thompson5910(28476)

 Question 337017: Use the quadratic formula to determine the x-intercepts (if any) of the following function. Then evaluate the function for several values of x, and use the resulting points to graph the function. f(x) = -2x^2 + 2x - 9 Click here to see answer by mananth(12270)

 Question 337096: how do you simplify and write this equation in standard form and then solve it 2x squared+ 50= 25x Click here to see answer by Fombitz(13828)

 Question 337229: give exact and approximate solutions to three decimal places for: x^2+5x-7=0 Click here to see answer by solver91311(16868)

 Question 336452: what is the vertex of a parabola that is pointing downward and contains the points (-2,2), (0,1), and (1,2.5). Click here to see answer by Fombitz(13828)

 Question 337281: A Carpenter is building a rectangular room with a fixed perimeter of 192ft. What dimensions would yield the maximum area? What is the maximum area? the length that would yield the maximum area is ________ ft. Click here to see answer by stanbon(57214)

 Question 337463: What is the sum of + ? I tried to FOIL the question but it didn't seem to work. Should I have added 9a^2 and 7a^2 then -3a and 11a and then try to divide those answers from 14? Click here to see answer by Alan3354(30955)

 Question 337531: f(x) = -3 (x-2)2 + 12 find the coordinates of the vertex for the parabola defined by the given quardratic function. Click here to see answer by Fombitz(13828)

 Question 337526: f(x) = 2(x-3)2 + 1 find the coordinates of the vertex parabola defined by the given quadaratic function. Click here to see answer by Fombitz(13828)

 Question 337652: 2x2+9x+4=0 I could really use some help with this problem Click here to see answer by Fombitz(13828)