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anonymous
 one year ago
I need to solve for 2x^2 10x+3=0 using the quadratic formula. Any help?
anonymous
 one year ago
I need to solve for 2x^2 10x+3=0 using the quadratic formula. Any help?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I am thinking, find a,b,c

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0But i feel as though i am getting it wrong.

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1quadratic formula is x = b +/ sqrt (b^2  4ac)  2a where a , b and c are the numbers in the equation ax^2 + bx + c = 0

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1watch the signs eg b =  (10)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0would b make the 10 positive 10?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1you left out the sqrt its (10 + sqrt76 )/ 4 or ( 10  sqrt76) / 4 perform the calculation in the parentheses first, then divid e by 4

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0what would be the square root i do not understand.

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1use your calculator  enter square root then 76

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i see, so 11sgrt76, but where is this 76 from?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.02.28220211292 would be the answer

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1the 76 comes from the b^2  4ac of the formua: 10^2  4*2*3 = 100  24 = 76

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I see. Thank you for your time. :)

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1ok where did you get 2.25 from?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.110  sqrt76 = 10  8.72  1.28 but you now have to divide by 4 x = 1.28 / 4 = 0.32

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0hm, i see. that would be .32 OK

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1thats one root and the other is (10 + sqrt76 )/ 4

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i completely forgot;/

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1these quadratics can have 2 roots
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