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Alja [10]
3 years ago
8

What is the coefficient of the term of degree 2 in the polynomial below? x^6+3-2x^2+4x^7-4x a. -2 b. 3 c. -4 d. 4

Mathematics
2 answers:
Eva8 [605]3 years ago
7 0
We have that
<span>x^6+3-2x^2+4x^7-4x

we know that 
</span><span>the term of degree 2 in the polynomial is -2x</span>² 
<span>and the coefficient of the term of degree 2 is (-2)

the answer is option a) -2</span>
Pavel [41]3 years ago
7 0

Answer:

a. -2

Step-by-step explanation:

The given polynomial is

x^6+3-2x^2+4x^7-4x

We rewrite the polynomial in standard form to obtain;

4x^7+x^6-2x^2-4x+3

The term of degree 2 in the polynomial is -2x^2.

The coefficient of this term is the constant that is multiplying x^2 which is -2

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Answer all three please​
sweet-ann [11.9K]

6. Answer:

72.84

Step-by-step explanation:

To find the perimeter of the rectangle, just add the sides together except the one connected to the semicircle

12 + 15 + 15 = 42

The diameter of the semi circle is 12

πr + d = 6 * π + 12 ≈ 30.84

Add them together

42 + 30.85 = 72.84

7. Answer:

78.54

(78.5)

Step-by-step explanation:

The shape is a circle

Radius is 5

Diameter is 10  (diameter is always double of the radius)

π * r^2 = π * 25 cm^2 = 78.54 cm^2

8. Answer:

50.27

Step-by-step explanation:

The shape is a circle

Radius is 4

Diameter is 8  (diameter is always double of the radius)

π * r^2 = π * 16 ft^2 = 50.27 ft^2

(16 = 8 * 2)

7 0
3 years ago
Solve the equation for k in terms of h.<br> (h-3k)/2k=-3/4
tatuchka [14]

(h-3k)/2k=-3/4

h-3k=-6k/4

4h-12k=-6k

-12k=-6k-4h

-6k=-4h

Solution: k=2/3h

I hope I helped you with your solution! If you could give me brainliest, I would be very thankful!

6 0
3 years ago
Read 2 more answers
Simplify (9 + 7i)/(-10 + 8i)
Vera_Pavlovna [14]
Multiply numerator and denominator by the conjugate of the denominator

Denominator: -10 + 8i
Conjugate of the denominator: -10 - 8i

Operation:

[9 +7i] / [-10 + 8i] * [-10 -8i] / [-10 - 8i] = [-90 - 72i - 70i +56] / [100 + 64] =

[-34 -142i] / 164 = [-17 -71i] / 82
3 0
3 years ago
Which is a y-intercept of the continuous function in the table ? A.(0,-6) B.(-2,0) C.(-6,0) D.(0,-2)
viva [34]

Answer:

A. (0, -6)

Step-by-step explanation:

when x is 0, there has to be a y-int. As shown in the table, it is -6. Therefore the answer is A

5 0
3 years ago
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Need help. Find the value of x
katen-ka-za [31]

Answer:

Step-by-step explanation:

14

4 0
3 years ago
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