Answer
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Hint: In the given question, we have been given an equation which has to be graphed. For doing that, we set the y-coordinate to be zero. Then we find the value of the abscissa. From there, we find the value of the y-coordinate. Then we graph the points and draw the figure.
Complete step by step solution:
In the given question, we have to graph \[y = {x^2} - 3\].
First, let us find the value of \[x\].
Put \[y = 0\],
\[{x^2} - 3 = 0 \Rightarrow {x^2} = 3\]
Thus, \[x = \pm \sqrt 3 \approx \pm 1.732\].
So, we have to x-intercepts – \[ - 1.732\] and \[1.732\].
Hence, we have two points – \[\left( { - 1.732,0} \right)\] and \[\left( {1.732,0} \right)\].
Now, we find the y-intercept.
Putting \[x = 0\],
\[y = - 3\]
Hence, we have the third point – \[\left( {0, - 3} \right)\].
Note: In the given question we had to graph a line whose equation was given. Here, the equation was not a linear equation. So, to do that, we found the value of the abscissas, then we obtained the value of y-coordinate and finally, we plot the points on a graph and draw the figure. So, it is important that we know the exact method of how to solve such questions, as following each step correctly is crucial to solve the question.
Complete step by step solution:
In the given question, we have to graph \[y = {x^2} - 3\].
First, let us find the value of \[x\].
Put \[y = 0\],
\[{x^2} - 3 = 0 \Rightarrow {x^2} = 3\]
Thus, \[x = \pm \sqrt 3 \approx \pm 1.732\].
So, we have to x-intercepts – \[ - 1.732\] and \[1.732\].
Hence, we have two points – \[\left( { - 1.732,0} \right)\] and \[\left( {1.732,0} \right)\].
Now, we find the y-intercept.
Putting \[x = 0\],
\[y = - 3\]
Hence, we have the third point – \[\left( {0, - 3} \right)\].
Note: In the given question we had to graph a line whose equation was given. Here, the equation was not a linear equation. So, to do that, we found the value of the abscissas, then we obtained the value of y-coordinate and finally, we plot the points on a graph and draw the figure. So, it is important that we know the exact method of how to solve such questions, as following each step correctly is crucial to solve the question.
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