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daser333 [38]
3 years ago
13

Identify the vertex , focus, and directrix x=-1/28y^2

Mathematics
1 answer:
liraira [26]3 years ago
5 0
Directrix: x=7
Focus:(-7,0)
Vertex:(0,0)
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HURRYYYY!
DiKsa [7]

Answer: f(x) = − one fourth (x − 8)2

Step-by-step explanation: I'm not really sure how to explain it, but I'm almost 100% sure that's the right answer.

5 0
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is there a proportional relationship between the area of an enlarged rectangle and the area of the original rectangle
Maru [420]
I don’t think so because I haven’t done this sorry
6 0
3 years ago
4k – 3 = -2k + 3 help me please lol
hoa [83]

Answer: k=1

Step-by-step explanation:

4k-3=-2k+3

take -3 and 3 and add them up on one side and change the sign

4k=-2k+3

           +3

4k=-2k+6

take the -2k and change the sign and add to 4k

4k=6

2k

6k=6

now divide both sides with x

6k/6= 6/6

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6 0
3 years ago
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The tens digit of a certain number is five more than the units digit. The sum of the digits is 9. Find the number.
Leokris [45]
<span>the tens digit = n
</span><span>the units digit = n-5

n + n-5 = 9
2n = 9+5
2n = 14
n = 7  </span>←  the tens digit

the units digit = n-5 = 7 - 5 = 2

<span>the number is 72</span>
4 0
3 years ago
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Which statement is correct for the graph of the specified function?
mash [69]

The correct statement regarding the function plotted in the graph is:

C) The maximum value of the quadratic function occurs at y = 4.

<h3>What is the rate of change of the linear function?</h3>

When x = 0, y = -7, and when x = -5, y = 8, hence the rate of change(change in y divided by change in x) is given by:

R = [8 - (-7)]/-5 - 0 = 15/-5 = -3

<h3>What is the maximum value of the quadratic function?</h3>

It is concave down, hence it has only a maximum value at y = 4 and not a minimum value, hence option C is correct.

More can be learned about functions at brainly.com/question/25537936

4 0
2 years ago
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