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wlad13 [49]
3 years ago
14

Which expressions are polynomials? select each correct answer

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
8 0
Note:
A polynomial of order n is of the form
f(x)=a_{n}x^{n}+a_{n-1}x^{n-1} + \, ..., \, +a_{1}x+a_{0}
where the a's are constants.

Consider the given expressions.
x/5 + 2                  Not a polynomial
35x²                      It is a polynomial of order 2
7x⁷ - x⁵                  It is a polynomial of order 7
4x + √(x-1)             It is not a polynomial

Answer:
The polynomials are
35x²
7x⁷ - x⁵

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3 years ago
Answer it pls and explain too​
snow_tiger [21]

Answer:

  y-intercept: (0, 5); slope: 1/4

Step-by-step explanation:

The slope (m) is found from ...

  m = (y2 -y1)/(x2 -x1)

Using the first two points in the table, this is ...

  m = (8 -6)/(12 -4) = 2/8 = 1/4 . . . . . eliminates choices A and C

__

Then, the point-slope form of the equation of the line can be written as ...

  y -y1 = m(x -x1)

  y -6 = (1/4)(x -4) . . . fill in known values

  y = 1/4x -1 +6 . . . . . add 6

  y = 1/4x +5

Then the value of y when x=0 is ...

  y = 0 +5 = 5

So, the y-intercept is (0, 5) and the slope is 1/4, matching the last choice.

7 0
3 years ago
What is an equation of the line that passes through the points (2,-5) and (-3,-5)?
melisa1 [442]

Answer:

y = -5

Step-by-step explanation:

yeah-ya....... right?

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2 years ago
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Answer:

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