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kondor19780726 [428]
2 years ago
11

Please help!!!!!!!!!!

Mathematics
1 answer:
Dmitriy789 [7]2 years ago
3 0

Answer:

1. c.

2. a.

3. b.

Step-by-step explanation:

Remember f(x) = y

1. f(x) = y = 2/5x+8

2. f(x)= y - 8 = x => y = 8 +x

3. f(x) = y = x - 8

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The fastest train on earth is Maglev, a Japanese train which runs at a
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Step-by-step explanation:

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2 years ago
Write x2 - 8x + 13 = 0 in the form (x - a)2 = b, where a and b are integers. a.)(x - 4)2 = 3 b.) (x - 3)2 = 2 c.)(x - 2)2 = 1 d.
loris [4]
The answer is <span>a.)(x - 4)2 = 3.

(x - a)</span>² = b can be expressed as:
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Our equation is                x² - 8x + 13 = 0.
The general formula is    x² - 2ax + (a² - b) = 0

Thus:
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Divide both sides of the first equation (8x = 2ax) by x:
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Now when we have a and b, let's just replace them in the general equation:
(x - a)² = b
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3 years ago
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Answer:

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Step-by-step explanation:

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