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Stells [14]
3 years ago
6

An ellipse has vertices of (5, 0) and (–5, 0) and covertices of (0, 2) and (0, –2). Use the given information to answer the ques

tions about the ellipse.
On which line will the foci be graphed?


The foci are located at about .

What type of lines will the directrices be?



The directrices are located at about
Mathematics
1 answer:
ValentinkaMS [17]3 years ago
7 0

Answer:

The line the foci will be graphed is?

y=0

The foci are located at about ?

(4.58, 0) and (-4.58, 0)

What type of lines will the directrices be?

Both vertical

The directrices are located at about?

x= 5.46 and x= -5.46

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

1/4 = 2/8

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Which graph represents the solution to the system of inequalities? x + y ≥ 4 2x + 3y &lt; 12
viktelen [127]
There are two inequality equations to be graphed:

<span>x + y ≥ 4
2x + 3y < 12

For the first step, let's disregard the inequality symbols and take it like any conventional algebraic equation. This is to be able to graph the lines on a Cartesian planes first.

For the first equation, x+y=4. To find the x- and y-intercepts, let the other variable be 0. For example,
x-intercept:
x+0=4
x=4
y-intercept:
0+y=4
y=4
Therefore, you can graph the equation line by plotting the intercepts (4,0) and (0,4) and connecting them together. The same thing is done to the second equation:
x-intercept: 
</span>2x + 0 = 12
x=12/2=6
y-intercept:
0 + 3y =12
y= 12/3 = 4
Therefore, you can graph the equation line by plotting the intercepts (6,0) and (0,4) and connecting them together. The graph is shown in the left side of the picture.

The next step would be testing the inequalities. Let's choose a point that does not coincide with the lines. That point could be (-5,-1). 

x + y ≥ 4
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-6 ≥ 4 --> this is not true. Thus, the solution of the graph must not include the area of this point. It includes everything to the right of the line denoted by the blue-shaded region.

2x + 3y < 12
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The region where blue and orange overlap is the solution of the system of equations, denoted by the green-shaded region.

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3 years ago
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kherson [118]

Answer:

The answer is 5.

Step-by-step explanation:

It's the only one that makes sense, and i took the quiz and got 100%

You're welcome :D

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