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Stels [109]
3 years ago
9

How many turning points can a polynomial with a degree of 7 have?

Mathematics
1 answer:
aleksklad [387]3 years ago
5 0
That would be 7 - 1  = 6 turning points
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Find the point on the line y = 3x + 2 that is closest to the origin.
anzhelika [568]
1.
the slope of the line y=3x+2 is the coefficient of x, that is 3.

2.
the slope of any line perpendicular to the line y=3x+2, is m, such that:

3*m=-1

so m= \frac{-1}{3}

3. 
so any line with equation y=-1/3x+k is perpendicular to y=3x+2.

moreover, the line y=-1/3x (so k=0) is the line passing through the origin
(0, 0) and perpendicular to y=3x+2


4. This means that the closest point of y=3x+2 to the origin is the intersection point of lines y=3x+2 and y=-1/3x

5.
to find this point:

3x+2=(-1/3)x
x(3+1/3)=-2
x(9/3+1/3)=-2

x*10/3=-2

x= \frac{-2*3}{10} = \frac{-6}{10}=-0.6


thus y is :  (-1/3)(-6/10)=0.2



Answer: (-0.6, 0.2)

3 0
3 years ago
2= 5 j -28 one or two step equation
Ksenya-84 [330]

Answer:

j=6

Step-by-step explanation:

2=5j-28

+28  +28

30=5j

/5    /5

j=6  

7 0
3 years ago
In ΔUVW, \overline{UW}
kozerog [31]
Answer: is extended through point W to point X angle


Explanation
8 0
2 years ago
The sum of the angle measures of a quadrilateral is 360 degree . Write and solve an equation to find the value of x . the two nu
trapecia [35]

Answer:

Step-by-step explanation:

I’m not too good with this but the answer should be 87.5

8 0
3 years ago
I REALLY NEED SOMEONES HELP ON THIS PLEASE!! I NEED THIS DONE TODAY!
Rufina [12.5K]
The 5 in x - 5 needs to be negative in the table. So, change that and make everything else in that row negative.

You are then left with 3x^2 + x - 15x - 5

Simplify to 3x^2 - 14x - 5



Please consider marking this answer as Brainliest to help me advance. If you have any questions, please let me know.
8 0
3 years ago
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