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NARA [144]
3 years ago
10

Find the sum or difference of (7-8i)+(-2-3i)

Mathematics
1 answer:
Mamont248 [21]3 years ago
8 0
The answer will be 5-11i
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Answer:

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Step-by-step explanation:

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Using the completing-the-square method, rewrite f(x) = x2 + 10x + 7 in vertex form
mr Goodwill [35]

Answer:

f(x) = (x - (-5))^2 + (-18)

Step-by-step explanation:

Given:

f(x) = x^2 + 10x + 7

Rewrite f(x) in vertex form

Solution:

f(x) = ax^2 + bx + c is a quadratic function.

The vertex form of f(x) is a(x - h)^2 + k, where (h, k) is the vertex.

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          = x^2 + 10x + 25 - 18

          = (x + 5)^ - 18

          = (x - (-5))^2 + (-18)

=> f(x) can be rewritten in form of a(x - h)^2 + k, where (h, k) is the vertex, with a = 1, h = -5, k = -18

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Which answer is the same as moving the decimal in 5.3 two places to the left?
yKpoI14uk [10]
The correct answer is A
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professor190 [17]

Answer: figures 1 and 3 i think

Step-by-step explanation:

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