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lisabon 2012 [21]
3 years ago
15

Andre is going to buy 3 computer tables for $321. if he pays the same rate, how much would it cost for 8 8 computer tables?

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
8 0
321 divided by 3 = $107 per table $107x88=$9416 for 88 tables

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Answer:

D) 0 = 2(x + 5)(x + 3)

Step-by-step explanation:

Which of the following quadratic equations has no solution?

We have to solve the Quadratic equation for all the options in other to get a positive value as a solution for x.

A) 0 = −2(x − 5)2 + 3

0 = -2(x - 5) × 5

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0 = -10x + 50

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x = 50/10

x = 5

Option A has a solution of 5

B) 0 = −2(x − 5)(x + 3)

Take each of the factors and equate them to zero

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x + 3 = 0

x = -3

Option B has a solution by one of its factors as a positive value of 5

C) 0 = 2(x − 5)2 + 3

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Option C has a solution of 5

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Take each of the factors and equate to zero

0 = 2

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For option D, all the values of x are 0, or negative values of -5 and -3.

Therefore the Quadratic Equation for option D has no solution.

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