Question

I 3x + 7 I = - I 8x -2I
Can somebody explain why my answer key says, that there is no solution to this equation?

Answer 1

because absolute value cannot be negative

Answer 2

Refering to the negative 2 inside the symbols, or the negative sign outside them?

Answer 3

the equation means that the absolute value on the LHS must equal the negative of absolute value on the RHS. but since absolute values cannot be negative, it is impossible for the LHS to be equal to RHS

Answer 4

(but you need to check for 0, as the absolute value of 0 is 0)

Answer 5

thanks, lightbulb came on. :)

Answer 6

yes, andras, but the values of x that make the LHS and RHS 0 are different. so that cannot be a solution

Answer 7

true true

Answer 8

use the drop-down menus to match each phrase with the type of microscope it descr

Answer 9

Converges or Diverges:

Answer 10

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Answer 11

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Answer 12

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Answer 13

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Answer 14

how

Answer 15

k

Answer 16

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Answer 17

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Answer 18

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Answer 19

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Answer 20

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Answer 21

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Answer 22

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Answer 23

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Answer 24

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Answer 25

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Answer 26

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Answer 27

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