Question

Plot graph of 5x+7y= 507x + 5y = 46​

Answer 1

Answer:

see attachments

Step-by-step explanation:

Given equations:

$\begin{cases}5x + 7y = 50\\7x + 5y = 46\end{cases}$

To plot the graphs of the given equations:

• Rearrange each equation to make y the subject.
• Input at least two values of x into the equations to find two points on each line.
• Plots the points.
• Draw a straight line through the points.

Equation 1

$\implies 5x + 7y = 50$

$\implies 7y = -5x + 50$

$\implies y = -\dfrac{5}{7}x+\dfrac{50}{7}$

$x=-4 \implies y = -\dfrac{5}{7}(-4)+\dfrac{50}{7}=10 \implies (-4,10)$

$x=3 \implies y = -\dfrac{5}{7}(3)+\dfrac{50}{7}=5 \implies (3,5)$

Plot the points (-4, 10) and (3, 5) then draw a straight line through them (see attachment 1).

Equation 2

$\implies 7x+5y=46$

$\implies 5y=-7x+46$

$\implies y=-\dfrac{7}{5}x+\dfrac{46}{5}$

$x=3 \implies y=-\dfrac{7}{5}(3)+\dfrac{46}{5}=5 \implies (3,5)$

$x=8 \implies y=-\dfrac{7}{5}(8)+\dfrac{46}{5}=-2 \implies (8,-2)$

Plot the points (3, 5) and (8, -2) then draw a straight line through them (see attachment 2).

Learn more about linear graphs here:

brainly.com/question/27962658

Answer 2

Answer:

It's attached you may see it!!