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Mathematics

1 answer:

Kamila [148]3 years ago

6 0

Answer:

(-3, -1)

If you rotate 180, you just flip the signs.

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The polynomial equation x^6-16x^2=4x^4-64 has complex roots +- 2i . What are the other roots? Use a graphing calculator and a sy

Irina18 [472]

Use u subsitution the solve by grouping
u=x^2
u^3-16u=4u^2-64
u^3-4u^2-16u+64=0
(u^3-4u^2)+(-16u+64)=0
u^2(u-4)+(-16)(u-4)=0
(u^2-16)(u-4)=0
(u-4)(u+4)(u-4)=0
(u+4)(u-4)^2=0

u=x^2
(x^2+4)(x^2-4)^2=0
(x^2+4)((x-2)(x+2))^2=0
(x^2+4)(x-2)²(x+2)²=0
set to zero

x^2+4=0
x^2=-4
x=+/-2i

x-2=0
x=2

x+2=0
x=-2

the other roots are -2 and 2

for graphinc calculator, graph and find x intercepts

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3 years ago

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(-57)-(+12) <br>find the difference

Airida [17]

Answer:

siiiii

Step-by-step explanation:

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3 years ago

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Help me as quick as possible <br> 11x+4y=12<br> 9x-4y=8<br> Solve it with elimination method