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vagabundo [1.1K]
3 years ago
15

Multiplicative inverse of a neggativerational number is​

Mathematics
1 answer:
lions [1.4K]3 years ago
6 0

for \: a \: rational \: number \:  \frac{a}{b}   \: such \: that \: 0  > a \:  \:  \:  \:  \:  \: 0  <  b \\ its \: multiplicative \: inverse \: is \:  -  \frac{b}{a}

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Answer:

x=2

Step-by-step explanation:

use distributive property: x^2+2x-1=4

remove the -1 by adding 1 on both sides: x^2+2x=5

use the guadratic fromula:  ax²+bx+c=0

plug in the equation x^2+2x-5=0

a,b and c are the coefficients to plug into the formula

a=1, b=2, c=-1

Finally, you will find that x=2

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Answer:

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Answer:

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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Answer:

Part A number 2 (see work below)

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