4 years ago

How many solutions does the following system have?

1 answer:

3 0

D. no solution
do you need an explanation?

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olya-2409 [2.1K]

Factorize the numerator as a difference of squares:

$y^4-1=(y^2-1)(y^2+1)=(y-1)(y+1)(y^2+1)$

Then if $y\neq-1$ , the $y+1$ factors will cancel:

$\dfrac{y^4-1}{y+1}=(y-1)(y^2+1)=y^3-y^2+y-1$

so the answer is B.

8 0

3 years ago

Mademuasel [1]

Answer:

[x] ≥ x

Step-by-step explanation:

7 0

2 years ago

katrin [286]

Hello,

x=1/2(141-25)
==>x=116/2
==>x=58°

4 0

4 years ago

Luda [366]

Answer: (2,-5.4)
When I reflect across the y axis I keep the sign of x the same but change the sign of y
For example: (1,2)=(1,-2)

6 0

3 years ago

yulyashka [42]

Answer:B !!!

Step-by-step explanation:

5 0

3 years ago