solve the equation graphically 4x-3y=0 ,2x + 3y -18 = 0
Answers
Answer: On a graph paper, draw a horizontal line X'OX and a vertical line YOY' as the x-axis and the y-axis, respectively. Graph of 2x – 3y = 1 2x – 3y = 1 ⇒ 3y = (2x – 1) ∴ y = 2x−1/ 3 ……..(i) Putting x = -1, we get: y = -1 Putting x = 2, we get: y = 1 Putting x = 5, we get: y = 3 Thus, we have the following table for the equation 2x – 3y = 1.Read more on Sarthaks.com - https://www.sarthaks.com/133795/solve-the-following-system-of-equations-graphically-2x-3y-1-4x-3y-1-0
EXPLANATION.
Equation in graphically,
(1) = 4x - 3y = 0.
(2) = 2x + 3y - 18 = 0.
As we know that,
From equation (1), we get.
⇒ 4x - 3y = 0.
Put the value of x = 0 in equation, we get.
⇒ 4(0) - 3y = 0.
⇒ 0 - 3y = 0.
⇒ y = 0.
Their Co-ordinates = (0,0).
Put the value of y = 0in equation, we get.
⇒ 4x - 3(0) = 0.
⇒ 4x - 0 = 0.
⇒ x = 0.
Their Co-ordinates = (0,0).
From equation (2), we get.
2x + 3y - 18 = 0.
Put the value of x = 0 in equation, we get.
⇒ 2(0) + 3y - 18 = 0.
⇒ 3y - 18 = 0.
⇒ 3y = 18.
⇒ y = 6.
Their Co-ordinates = (0,6).
Put the value of y = 0 in equation, we get.
⇒ 2x + 3(0) - 18 = 0.
⇒ 2x - 18 = 0.
⇒ 2x = 18.
⇒ x = 9.
Their Co-ordinates = (9,0).