Polynomial Addition and Subtraction Perimeter

Perform the indicated operation . Write answer in descending order ( 3x² - 8x + 7 ) +( 8x² + 9x - 16 )

• 11x⁴ + x² - 9

• 11x² - x - 9

• 11x² -17x - 11

• 11x² + x - 9

Perform the indicated operation. Write answer in descending order. ( 8x² - 12x + 6 ) + ( 7x³ + 8x - 15 )

• 15x² - 4x - 9

• 7x³ + 8x² - 4x - 11

• 7x³ + 8x² - 4x - 9

• 15x² - 4x - 11

Perform the indicated operation. Write answer in ascending order. ( 19x² + 29x - 17 ) + ( 14x² + 9x - 18 )

• 33x² + 38x - 35

• 33x² + 38x - 1

• -35 + 38x + 33x²

• -35 + 20x + 33x²

Perform the indicated operation.

Write answer in descending order.

( 17x - 8 ) - ( 9x - 27 )

• 8x - 35

• 8x + 35

• 8x + 19

• 8x - 19

• A
• B
• C
• D

• -10x²-9

• 10x²-9

• -5x²-2x-6

• -5x²-4x-9

• 23x^5_11x

• -5x⁵-x

• 23x⁵+11x

• 5x⁵+x

What is the perimeter of the triangle shown?

• 9r²+r-5

• 9r⁴+r²-4

• 9r²-r+4

• 9r²+r-4

What is the perimeter of the triangle shown in terms of r?

• A

• B

• C

• D