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ikadub [295]
3 years ago
14

Solve by completing the square . x^2+7x+3=0show work​

Mathematics
2 answers:
Tasya [4]3 years ago
7 0
This is your perfect answer

Murrr4er [49]3 years ago
6 0
Exact form would be:

x = + (square root of 37) divided by 2, subtracted by 7/2

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If y varies directly as x and y-21 when x<br> is 7, find x when y = -5.
klasskru [66]

Step-by-step explanation:

Since, y varies directly as x:

\therefore \: y = kx..(1) \\ (k = constant \: of \: proportionality) \\ at \: y = 21 \: and \: x = 7 \\ 21 = k \times 7 \\ k =  \frac{21}{7}  = 3 \\ plugging \: k = 3 \: in \: equation \: (1) \\ y = 3x..(2) \\ plugging \:  \: y =  - 5  \: in \: (2)\\  - 5 = 3x \\ x =  \frac{ - 5}{3}  \\   \:  \:  \:  \:  \:  \: \huge \red{ \boxed{x =  -  \frac{5}{3} }}

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3 years ago
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Use the quadratic formula to find the solutions to the quadratic equation below 2x2 - 3x + 6 = 0​
Katarina [22]

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Step-by-step explanation:

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