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egoroff_w [7]
3 years ago
14

Pls answer this and thank you very much

Mathematics
2 answers:
Colt1911 [192]3 years ago
8 0

Answer:

1. B) -5/12

Step-by-step explanation:

Because -2 x 5 = -10

-10 + 2 = -12

Keep and change

-5/12 --> -12/5

iVinArrow [24]3 years ago
6 0

Answer:

1

Step-by-step explanation:

Multiplicative inverse is the opposite of the number. For example, the multiplicative inverse of 7 is 1/7.

To get the multiplicative inverse we first have to turn -2  2/5 into an improper fraction.

Which is -12/5 now flip it to get the (MI) which is -5/12

Which equals 1

YOU'RE RIGHT!!

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svetlana [45]

Answer:

A: This polynomial has a degree of 2 , so the equation 12x2+5x−2=0 has two or fewer roots.

B: The quadratic equation 12x2+5x−2=0 has two real solutions, x=−2/3 or x=1/4 , and therefore has two real roots.

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f(x) = 12x^2 + 5x - 2.

Since this is a quadratic equation, or a polynomial of second degree, one can easily conclude that this equation will have at most 2 roots. At most 2 roots mean that the function can have either 2 roots at maximum or less than 2 roots. Therefore, in the A category, 2nd option is the correct answer (This polynomial has a degree of 2 , so the equation 12x^2 + 5x − 2 = 0 has two or fewer roots).

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