* WILL GIVE BRIANLIEST*(08.01) The graph shows two lines, A and B.
2 answers:
Answer:
Exactly one solution.
Step-by-step explanation:
We have been given a graph of a system of linear equations. We are asked to find number of solutions for our given system.
We know that solution of a system is the point, where both lines intersect each other.
Upon looking at our given system, we can see that our given lines intersect exactly at one point that is .
Therefore, our given system has exactly one solution.
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Answer:
4 m
Step-by-step explanation:
The equation can be written ...
y = (x/4)² = (1/16)x²
where the divisor 4 is the horizontal scale factor that makes the parabola 8 m wide at y = 1 m.
This can also be written as ...
y = 1/(4p)x² = (1/16)x²
from which we can see ...
4p = 16
p = 4
In this form, p is the distance from the vertex to the focus, 4 meters.
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Another way to find the y-coordinate of the focus is to draw a line with slope 1/2 through the vertex. It will intersect the parabola at the point where the vertical distance to the directrix is the same as the horizontal distance to the focus. The y-coordinate of that point is the y-coordinate of the focus.
