Asked by Keontay
Use the work shown to find the solutions of the quadratic equation.
x2 – x – StartFraction 3 Over 4 EndFraction = 0
x2 – x = StartFraction 3 Over 4 EndFraction
x2 – x + (StartFraction 1 Over 2 EndFraction) squared = StartFraction 3 Over 4 EndFraction + (StartFraction 1 Over 2 EndFraction) squared
x2 – x + StartFraction 1 Over 4 EndFraction = StartFraction 3 Over 4 EndFraction + StartFraction 1 Over 4 EndFraction
Which is a solution of x2 – x – StartFraction 3 Over 4 EndFraction = 0?
x2 – x – StartFraction 3 Over 4 EndFraction = 0
x2 – x = StartFraction 3 Over 4 EndFraction
x2 – x + (StartFraction 1 Over 2 EndFraction) squared = StartFraction 3 Over 4 EndFraction + (StartFraction 1 Over 2 EndFraction) squared
x2 – x + StartFraction 1 Over 4 EndFraction = StartFraction 3 Over 4 EndFraction + StartFraction 1 Over 4 EndFraction
Which is a solution of x2 – x – StartFraction 3 Over 4 EndFraction = 0?
Answers
Answered by
mathhelper
How about just typing it normally, such as
x^2 - x - 3/4 = 0
times 4 ...
4x^2 - 4x - 3 = 0 , it factors nicely
(2x - 3)(2x + 1) = 0
x = 3/2 or x = -1/2
now, re-enter the others and show why you are having difficulties.
x^2 - x - 3/4 = 0
times 4 ...
4x^2 - 4x - 3 = 0 , it factors nicely
(2x - 3)(2x + 1) = 0
x = 3/2 or x = -1/2
now, re-enter the others and show why you are having difficulties.
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