Questions on Algebra: Quadratic Equation answered by real tutors!

Tutors Answer Your Questions about Quadratic Equations (FREE) Get help from our free tutors ===> Algebra.Com stats: 2011 tutors, 418878 problems solved View all solved problems on Quadratic_Equations -- maybe yours has been solved already! Become a registered tutor (FREE) to answer students' questions. Click here to see problems AND answers on one page Question 399859: determine the equation of a circle with centre o(0,0)and point p(9,-4) on its circumference Click here to see answer by robertb(4012)   Question 399953: please help me to solve this problem by completing the sqaure step be step x^2+10x-3=0 Click here to see answer by ewatrrr(10682)   Question 399964: find two numbers whose sum is 10 and whose product is 32. use the quadratic formula to solve Click here to see answer by stanbon(57224)   Question 399966: x^2=9x-2=-16 Click here to see answer by stanbon(57224)   Question 400028: 7x-3x^2=-10 Click here to see answer by nerdybill(6948)   Question 400026: We are studying Equations, Inequalities, and mathematical modeling. Question says to find ALL solutions of the equation. check your solution in original equation. I need help working this problem. Can you show me step-by-etep how to work and solve equation? equation: 6x^4-14x^2=0 Click here to see answer by solver91311(16868)   Question 400124: xsquared+2x-2=0 Click here to see answer by ewatrrr(10682)   Question 400138: use the quadratic formula to solve equation 3x(2squared)-30x-180=0 Click here to see answer by ewatrrr(10682)   Question 400144: solve for x 4x^2 + 7x = 12x Click here to see answer by ewatrrr(10682)   Question 400200: How to find the discriminant? x^2 - 2x + 8 = 0 Click here to see answer by Fombitz(13828)   Question 400345: I need to know how to solve the quadratic equation: 8w^2 + 64w + 56 in the "Factor and Solve" method. Click here to see answer by stanbon(57224)   Question 400380: Ok, I am working on graphing the quadratic 5x^2+10x+2=0 but I do not full understand how to do it Click here to see answer by lwsshak3(6463)   Question 400635: 4x^2=27x+7 Click here to see answer by sofiyac(695)   Question 400628: x^2-4x-45=0 Click here to see answer by sofiyac(695)   Question 400631: x^2=4x+12 Click here to see answer by sofiyac(695)   Question 400703: 14x^2+3x-2=0 Click here to see answer by sofiyac(695)   Question 399962: t^2-9t+5=0 Click here to see answer by sofiyac(695)   Question 400867: Can you help me find the the coordinates of the quadractic equation: x^2+6x+6=0 Click here to see answer by Fombitz(13828)   Question 401067: x^2+2x=8 Quadratic Equations Click here to see answer by subudear(55)   Question 401065: (7x-4)^2=55 Click here to see answer by subudear(55)   Question 401064: (3x-4)^2=5 Click here to see answer by subudear(55)   Question 401064: (3x-4)^2=5 Click here to see answer by Alan3354(30968)   Question 401099: x^2+9x+18=0 Click here to see answer by nerdybill(6948)   Question 401141: During the first part of a trip a canoeist travels 48 miles at a certain speed. The canoeist travels 19 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hours. What was the speed on each part of the trip? Click here to see answer by jsmallt9(3296)   Question 401141: During the first part of a trip a canoeist travels 48 miles at a certain speed. The canoeist travels 19 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hours. What was the speed on each part of the trip? Click here to see answer by robertb(4012)   Question 401097: x^2-x-1=0 Click here to see answer by jsmallt9(3296)   Question 401095: x^2+7x-12=0 Click here to see answer by jsmallt9(3296)   Question 401079: x^2-18x-4=0 Click here to see answer by jsmallt9(3296)   Question 401068: x^2-4x=6 Click here to see answer by jsmallt9(3296)   Question 400987: Hello, I need to write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form, ax^2 + bx + c = 0. The given numbers are two solutions: - sqrt 3, index 3 sqrt 3. I am not sure how to type the the index number, sorry. What I know is initially it looks like: . I am not sure how to make this into a quadratic equation. Could you show me in complete detail how to do this please? Thank you :) Click here to see answer by jsmallt9(3296)   Question 401412: Give exact and approximate solutions to three decimal places. (x+2)^2=25 Click here to see answer by njusa(12)   Question 401409: Determine the nature of solutions of the equation. x^-10x+25=0 what does the equation have? a two real solutions b two non-real solutions c one real solution Click here to see answer by njusa(12)   Question 401408: Solve formula for given letter Assume all variables represent non-negative #s. a^+b^=g^ for a Click here to see answer by richard1234(5390)   Question 401405: In 2005, the members of a club paid a total of $42 in subscription fees. In 2006, the number of members increased by 20 and the subscription fees were subsequently reduced by 10 cents per member. The total of the subscription fees for 2006 was $45. How many members were there in 2005? :) =) Click here to see answer by ankor@dixie-net.com(15625)   Question 401411: Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function and graph the function on paper. f(x)=x^2-4x-4 What is vertex? (ordered pair) What is the equation of the line of symmetry? x=? What is the max./min. of f(x) is the value, f(2)=-8 a min or max Click here to see answer by robertb(4012)   Question 397042: x^2-4x-5=0 Click here to see answer by robertb(4012)   Question 401703: how to solve x2=4x Click here to see answer by edjones(7569)   Question 402260: Find a quadratic model in standard form for each set value. (0, 3) (1, 10) (2, 19) Click here to see answer by solver91311(16868)   Question 402303: Quadratic Formula: Solve 3 = 5/x + 4/x^2 they say the answer is 5 + or - sqrt of 73 / 6, I get -5 + or - sqrt of 73 over 8. Please walk me thru each step. Thanks Click here to see answer by Earlsdon(6287)   Question 402303: Quadratic Formula: Solve 3 = 5/x + 4/x^2 they say the answer is 5 + or - sqrt of 73 / 6, I get -5 + or - sqrt of 73 over 8. Please walk me thru each step. Thanks Click here to see answer by sofiyac(695)   Question 402303: Quadratic Formula: Solve 3 = 5/x + 4/x^2 they say the answer is 5 + or - sqrt of 73 / 6, I get -5 + or - sqrt of 73 over 8. Please walk me thru each step. Thanks Click here to see answer by Edwin McCravy(8880)   Question 402303: Quadratic Formula: Solve 3 = 5/x + 4/x^2 they say the answer is 5 + or - sqrt of 73 / 6, I get -5 + or - sqrt of 73 over 8. Please walk me thru each step. Thanks Click here to see answer by Mr.Math(29)   Question 401807: Completing the square Click here to see answer by Mr.Math(29)   Question 401049: Add: (2/3x^2-4x-1)+(1/3x^2-19x+28) Simplify as much as possible. Click here to see answer by Mr.Math(29)   Question 402423: how do i factor: b sqared-19b-120 Click here to see answer by MathLover1(6617)

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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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