a) using a graphical method, solve the following simultaneous equations: 4u + 2y = 5 3u + y = 9 b) using a graphical method, solve the following quadratic equation: 2x^2 + 6x + 3 = 0 Given that the...

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a) using a graphical method, solve the following simultaneous equations:


4u + 2y = 5
3u + y = 9


b) using a graphical method, solve the following quadratic equation:


2x^2 + 6x + 3 = 0


Given that the solution lies in the range x = -4 and x = 0

Answered Same DayDec 23, 2021

Answer To: a) using a graphical method, solve the following simultaneous equations: 4u + 2y = 5 3u + y = 9 b)...

Robert answered on Dec 23 2021
126 Votes
a) Using a graphical method, solve the following simultaneous equations:
4u + 2y = 5
3u + y = 9
To plot line 4u + 2y = 5 :




Slope = -2
y-intercept = 2.5
Using Rise-over-run method, we can get the two points(marked in red) and draw the
line through it (marked in blue).
To plot 3u...
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