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lana [24]
4 years ago
6

Which of the following shows the sum of the polynomials −3x2+3y2+4x and 4x2−4y+2? A. −3x2+3y2+4x+4x2−4y+2 B. −x2+3y2+4x−4y+2 C.

x2+3y2+4x−4y+2 D. 7x2+3y2+4x+4x2−4y+2
Mathematics
2 answers:
Fed [463]4 years ago
8 0

-3x² + 3y² + 4x  + 4x² - 4y + 2

Add like terms.

x² + 3y² + 4x - 4y + 2

So the answer is D.

dem82 [27]4 years ago
3 0

D. 7x2+3y2+4x+4x2−4y+2 is your correct answer

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notka56 [123]

There is a thousand answer to this problem.

Let's do the simplest one here.

f(x) or y = x - 1

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Wait, would this count as a solution? : See the second attachment

8 0
3 years ago
Solve the system of linear equations by elimination.<br> 5 - 2y = -8<br> 4x – 4y= 8
Alenkasestr [34]

Answer:

x = 17/2

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Step-by-step explanation:

Hope this helps!

6 0
3 years ago
Solve the equation for an ellipse for y. Assume that y &gt; 0. y^2/a^2 + x^2/b^2 = 1
In-s [12.5K]
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b^2y^2 + a^2x^2 = a^2b^2
subtract a^2x^2 from both sides
b^2y^2  = a^2b^2  - a^2x^2
Now divide both sides  by b^2

y^2 =  a^2 -  a^2x^2 / b^2  = a^2 (1 - x^2/b^2)

take positive square root ( because y > 0)

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4 0
4 years ago
Read 2 more answers
Solve the system:<br> 4x – 3y = -21<br> X=-y-14
Liula [17]

Answer:

The solution for the system of equations is

x=2,y=−2

Explanation:

4x−3y=14.....equation (1)

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Solving by substitution

Substituting equation 2 in equation 1

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4x+9x−12=14

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13x=26

x=2

Finding y by substituting x in equation 1

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8−3y=14

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3y=−6

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4 0
3 years ago
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Rudik [331]

Please delete this answer.

3 0
3 years ago
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