Given that the y intercept is 3 and the slope is -2/3 what is the equation of the line?
1 answer:
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The answer is x 
0 because there are no images of x before 0.
Answer:
9
Step-by-step explanation:
Let the equation of a parabola be
= 4ax.
Then , focal length of the parabola is a.
As , (0,0) is the vertex and its focus is (a,0)
Thus, focal length comes out to be a.
Here,
a is given as 9 units .
Thus focal length of the parabola, d, equals to 9 units