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Nadusha1986 [10]
3 years ago
9

What does the degree of a polynomial expression tell you about its related polynomial function? Explain your thinking. Give an e

xample of a polynomial expression of degree three. Provide information regarding the graph and zeros of the related polynomial function.

Mathematics
2 answers:
ludmilkaskok [199]3 years ago
8 0

The graph of function like that may may never cross the x-axis,

so the function could have no real zeros.

If it does have zeros, they will come in pairs,

because "what goes up must come down" and vice versa.

Of course the function cannot have more zeros than its degree.

For example, a polynomial function of degree 6 could have 0, 2, 4, or 6 real zeros.


HACTEHA [7]3 years ago
3 0

The polynomial degree relates to the number of "zeros" or points of intersection of the polynomial function (curve in the (x,y) plane) with the x axis (that is, points where y=0). These zeros can sometimes be coinciding but that phenomenon aside, you will see N such intercepts with the x axis for a polynomial expression of N-th degree.

Example of a polynomial of 3rd degree is: x^3 + 2 x^2 - x - 2

You can factor it to (x-1)(x+1)(x+2) to see that the zeros are +1, -1, and -2. The plot is attached as an image - note the intercepts. Lmk if you have questions.

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Solve: x - 5 = 12 A) 7 B) 16 C) 17 D) 18
postnew [5]

Answer:

The answer is option c) 17

Step-by-step explanation:

x - 5 = 12

x = 12 + 5

x = 17

The answer is c) 17

3 0
2 years ago
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Y = -x+5y=−x+5y, equals, minus, x, plus, 5
Serga [27]
The answer is D
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6 0
3 years ago
Find the tangent of angle A (giving brainliest and thanks to all!)
Shtirlitz [24]

Answer:

Option B, 8 / 6

Step-by-step explanation:

Tangent = Opposite / Adjacent

Tangent of ∠A = Opposite / Adjacent

Tan(A) = 8 / 6 which is the same as Option B

Hope this helps!

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3 years ago
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Bas_tet [7]

Step-by-step explanation:

The formula the amusement parc use is  100y-39000=55(x-800)

The slope intercept form of a function is wriiten generally as:

y = mx+c

  • m is a slope
  • c is a constant and represents the y-intercept
  • x is a variable
  • y is the input of the function

Let's rewrite our equation in the precedent form

  • 100y-39000 = 55(x-800)
  • 100y -39000 = 55x-44000    add 39000 in both sides
  • 100y-39000+39000 = 55x-44000+39000
  • 100y = 55x-5000            divide both sides by 100
  • y = 0.55x-50

The slope intercept form of this equation is:

y= 0.55x-50

4 0
3 years ago
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Answer to the question
Zepler [3.9K]

Answer:

x = 23

Step-by-step explanation:

AE = EC

so, 5x + 3 = 118

5x + 3 = 118

Bring +3 to the other side so -3

5x = 118 - 3

5x = 115

Bring 5 to the other side so:

x = 115 ÷ 5

x = 65

7 0
3 years ago
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