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Ipatiy [6.2K]
4 years ago
8

Using the quadratic formula to solve 2x2=4x-7 , what are the values of x?

Mathematics
1 answer:
Firdavs [7]4 years ago
8 0

Answer: no solution

Step-by-step explanation:

2x2=4x-7

4x=4x−7

0=−7

Since 0=−7 is false, the answer is no solution.

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Does the table show a proportional relationship? If so, what is the value of y when x is 11
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Answer:

Yes, the table shows a proportional relationship

The value of y when x is 11 is 1331

Step-by-step explanation:

Let us check the relation between x and y in the table

∵ x = 4 and y = 64

∵ 64 = 4³

∴ y = x³

∵ x = 5 and y = 125

∵ 125 = 5³

∴ y = x³

∵ x = 6 and y = 216

∵ 216 = 6³

∴ y = x³

∵ x = 10 and y = 1000

∵ 1000 = 10³

∴ y = x³

∵ All the values on the table give the same relation

∴ x and y are proportion

∴ The table shows a proportional relationship

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∵ x = 11

∴ y = (11)³

∴ y = 1331

∴ The value of y when x is 11 is 1331

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