Question

solve graphically (y=2x+1,y+3x-6=0)

Answer 1

Solution:

To solve the equation graphically,put the value of x in equation and find out y,thus find three points for each equation.

Table of coordinates for eq y=2x+1(shown with red line in graph)

$\begin{table}[] \begin{tabular}{|l|l|l|l|} \cline{1-4} x & 0 & -1 & 1 \\ \cline{1-4} y & 1 & -1 & 3 \\ \cline{1-4} \end{tabular} \end{table}$

Table of three coordinates of eq y+3x-6=0(shown with orange colour in graph)

$\begin{table}[] \begin{tabular}{|l|l|l|l|} \cline{1-4} x & 2 & 0& 1 \\ \cline{1-4} y & 0 & 6 & 3 \\ \cline{1-4} \end{tabular} \end{table}$

So,where both lines intersect is the solution of these equations.

x = 1
y = 3

Hope it helps you.

Answer 2

Answer:

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