Adding And Subtracting Polynomials Question Preview (ID: 57903)


Add And Subtract Polynomials. TEACHERS: click here for quick copy question ID numbers.

Subtract 2ab from −2ab.
a) 4ab
b) ab
c) 2ab
d) -4ab

Find the difference: 2r ^2 +6r +7 and 3r^ 2 +5r +8
a) r ^2 +r +1
b) r^ 2 +r −1
c) r^ 2 −r −1
d) −r ^2 +r −1

If the length of a rectangle in terms of x is 5x^2 + 3x + 6, and its width is 7x + 9, what is the perimeter of this rectangle? (perimeter=add all sides).
a) 20x^2+20x+30
b) 10x^5+20x+30
c) 10x^2+2x+3
d) 10x^2+20x+30

Find the sum of the two polynomials wo polynomials (5x^2 –3) + (8x^2 –1)
a) 13x^2 –4
b) 13x^2 + 2
c) -3x^2 + 2
d) 3x^2 –4

Find the sum of the two polynomials (2x^3 + 3x^2 –5) + (3x^2 + 7)
a) 2x^3 + 6x^2 + 2
b) 2x^3 + 6x^2 –12
c) 2x^3 + 2
d) 8x^2 + 2

Find the difference between the two polynomials by subtracting (7x^3 –5x + 8) –(4x^3 –2x + 1)
a) 3x^3 + 3x –7
b) 3x^3 –7x –7
c) 3x^3 - 3x + 7
d) 3x^3 –7x + 7

(12p^2 + 15p + 3) - (2p^2 + 17p - 2)
a) 10p^2 + 2p - 5
b) 10p^2 - 2p + 5
c) 10p^2 - 2p + 1
d) 10p^4 - 2p^2 + 5

(8x^ 8 - 9x^ 3 + 3x^ 2 + 9) + (4x^ 7 + 6x^ 3 - 2x)
a) 8x^ 8 + 4x^ 7 + 3x^ 3 + 3x^ 2 - 2x + 9
b) 12x ^8 - 3x^ 3 + 3x^ 2 - 2x + 9
c) 12x ^8 - 15x^ 3 + 3x^ 2 - 2x + 9
d) 8x^ 8 + 4x^ 7 - 3x^ 3 + 3x^ 2 - 2x + 9

(10n + 4n^7 - 5n^6) - (11n^6 + 7n^7 - 18n)
a) -3n^7 + 2n^6 - 8n
b) 9n^14
c) -3n^7 - 16n^6 - 8n
d) -3n^7 - 16n^6 + 28n

(-3 + 3n^5 + 6n^3) + (7n^5 + 5n^3 - 3)
a) 15n^8
b) 10n^5 + 11n^3 - 6
c) 10 + 11n^5 - 6n^3
d) 4n^5 + 8n^3 + 3

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