
How do you graph the equation ?
Answer
473.7k+ views
Hint: To solve this we need to give the values of ‘x’ and we can find the values of ‘y’. Otherwise we can find the coordinate of the given equation lying on the line of x- axis, we can find this by substituting the value of ‘y’ is equal to zero (x-intercept). Similarly we can find the coordinate of the equation lying on the line of y- axis, we can find this by substituting the value of ‘x’ equal to zero (y-intercept).
Complete step-by-step answer:
Given, .
To find the x-intercept. That is the value of ‘x’ at . Substituting this in the given equation. We have,
The coordinate is .
To find the y-intercept. That is the value of ‘y’ at . Substituting this in the given equation we have,
Rearranging the terms and taking common we have,
.
or
We choose . If we take the coordinate point will be in origin only.
Thus we have a coordinate of the equation which lies on the line of the y-axis. The coordinate is .
Since the x-intercept is zero we need to find more coordinates.
Let put in the given equation we have
Rearranging we have,
This is in the form . Thus we have
.
(Although 1 is repeated twice we take only one value)
The coordinates are
Now let’s take . Substitute in the given problem we have,
Rearranging we have,
Expanding the middle term
Thus we have and .
Thus the coordinates are and .
Hence we have the coordinates , and .
Now plotting the graph we have,
Note: In above we have x-intercept is zero. So we need to find more coordinates to plot the graph. After finding the coordinates and , we know that it is tending in the direction of the negative x- axis. Hence we take to find the next coordinate (if we take -1 or -2 we will get fractions). A graph shows the relation between two variable quantities, it contains two axes perpendicular to each other namely the x-axis and the y-axis. Each variable is measured along one of the axes. In the question, we are given one linear equation containing two variables namely x and y, x is measured along the x-axis and y is measured along the y-axis while tracing the given equations.
Complete step-by-step answer:
Given,
To find the x-intercept. That is the value of ‘x’ at
The coordinate is
To find the y-intercept. That is the value of ‘y’ at
Rearranging the terms and taking common we have,
We choose
Thus we have a coordinate of the equation which lies on the line of the y-axis. The coordinate is
Since the x-intercept is zero we need to find more coordinates.
Let put
Rearranging we have,
This is in the form
(Although 1 is repeated twice we take only one value)
The coordinates are
Now let’s take
Rearranging we have,
Expanding the middle term
Thus we have
Thus the coordinates are
Hence we have the coordinates
Now plotting the graph we have,

Note: In above we have x-intercept is zero. So we need to find more coordinates to plot the graph. After finding the coordinates
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