3 years ago

What are the possible number of negative zeros of f(x) = -2x7 - 2x6 7x5 - 7x4 4x3 4x2 ?

1 answer:

8 0

Hello,

f(-x)=2x^7-2x^6-7x^5-7x^4-4x^3+4x^2 has 2 changing signes.

Maximum possible number of negative roots is 2

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FrozenT [24]

Answer:

Step-by-step explanation:

You started with 18 and you multiply 6×2 and you get 12 able your answer is 6 I believe. sorry if I'm wrong

3 0

2 years ago

Vilka [71]

A-3b=9
a=b-3

b-3-3b=9
-2b-3=9
-2b=12
2b=-12
b=-6

a=-6-3
a=-9

Solution: (-9,-6)
----
Check:
-9=-6-3
-9=-9
TRUE

7 0

3 years ago

Anastaziya [24]

Step-by-step explanation:

90 Degree Rotation. When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). ...

180 Degree Rotation. When rotating a point 180 degrees counterclockwise about the origin our point A(x,y) becomes A'(-x,-y). ...

270 Degree Rotation.

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3 years ago

marusya05 [52]

What’s the question?

6 0

2 years ago

kolezko [41]

There are two solutions to this question, one is positive and the other is negative:
$\sqrt{9} =3\ or\ -3$

7 0

2 years ago