How do you graph #y = x^2 – 4x# by plotting points?
See a solution process below:
First, let's determine a series of points to plot:
For x = 0:
For x = 2:
For x = -2:
For x = 4:
For x = -4:
For x = 6:
For x = 8:
Now, let's plot the points:
graph{((x-6)^2 + (y-12)^2 - 1)((x-8)^2 + (y-32)^2 - 1)(x^2 + y^2 - 1)((x-2)^2 + (y+4)^2 - 1)((x+2)^2 + (y-12)^2 - 1)((x-4)^2 + y^2 - 1)((x+4)^2 + (y-32)^2 - 1) = 0 [-60, 60, -10, 50]}
We can now draw a line connecting the plotted points:
graph{(y - x^2 + 4x)((x-6)^2 + (y-12)^2 - 1)((x-8)^2 + (y-32)^2 - 1)(x^2 + y^2 - 1)((x-2)^2 + (y+4)^2 - 1)((x+2)^2 + (y-12)^2 - 1)((x-4)^2 + y^2 - 1)((x+4)^2 + (y-32)^2 - 1) = 0 [-60, 60, -10, 50]}
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To graph by plotting points, you can choose values for , plug them into the equation to find the corresponding values, and then plot those points on a coordinate plane. Repeat this process for multiple values of to get a clear picture of the curve.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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