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Alex73 [517]
2 years ago
14

Write equations for the vertical and horizontal lines passing through the point (-4,-9).

Mathematics
1 answer:
Gnesinka [82]2 years ago
6 0

Answer:

Below.

Step-by-step explanation:

These are perpendicular line which intersect at (-4, -9).

Vertical line is x = -4.

Horizontal lone is y = -9.

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Write the equation of the circle graphed below
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Answer:

The equation of the circle is

(x + 2)² + (y + 2)² = 9

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Step-by-step explanation:

The general equation of a circle is given as

(x - h)² + (y - k)² = r²

Where (h, k) is the center of the circle, and r is the radius.

Looking at the graph, the center is the red dot. It corresponds to -2 on the y-axis, and -2 on the x-axis. So, the center (h, k) is (-2, -2).

The radius is the distance from the center of the circle to the edge of the circle. The red dot is the edge of the circle, there are 3 lines that represent 3 units, so we have a radius of 3 units.

Using these in the general equation, we have

[x - (-2)]² + [y - (-2)]² = 3²

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And this is the equation.

6 0
3 years ago
What is the linear equation 1-3y=4
TEA [102]

1-3y = 4

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Answer:

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7 0
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the graph shows the distance a car travels over a certain amount of time. what is the ratio of kilometers traveled to the time i
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