 Adding & Subtracting Polynomials Terms of Use    Contact Person: Donna Roberts  Directions: Answer these questions pertaining to polynomials. Check each answer when finished.

1.
Add: (3x - 2) + (3x2 + 6x)
Choose:
 3x2 + 9x - 2 6x2 + 4x 3x2 + 3x - 2 6x2 + 6x - 2 2.
Add: (3x2 + 2x + 1) + (2x2 - 4x - 5) + (3x - 1)
Choose:
 5x2 + 6x - 7 8x2 - 3x - 5 5x2 + x - 5 6x2 + 8x + 5 3.
Subtract: (2a2 + 5a + 3) -(a2 - 3a - 4)
Choose:
 3a2 + 2a - 1 a2 + 8a + 7 3a2 + 8a + 7 a2 + 2a - 1 4.
Subtract (2x2 + 9) from (3x - 8)
Choose:
 2x2 - 3x + 1 -2x2 + 3x - 17 2x2 + 3x + 1 -2x2 + 3x - 1 5.
Add: (x - 2) + (x + 2) + (x - 1) + (x + 1)
Choose:
 0 2x 4x + 6 4x 6.
Find the missing term:
(2x + ____ ) + (3x2 - 4x + 3) =
3x2 - 2x - 8
Choose:
 -5 -8 5 -11 7.
Find the missing term:
(x2 + 7x + 1) - (3x2 + ____ - 2) = -2x2 + 4x + 3
Choose:
 3x 11x - 3x -11x 8.
Simplify: 9x2 - (5x2 - 8) - (-3x - 1)
Choose:
 4x2 - 3x - 9 4x2 + 3x - 9 4x2 + 3x + 9 4x2 + 3x + 7 9.
A = 7x3 - 3x2 - 6x + 2 and B = 2x3 + 4x2 - 5x - 9.
Find A - B.
Choose:
 5x3 + 7x2 - 11x + 7 5x3 - 7x2 - x + 11 9x3 + x2 - 11x - 7 9x3 - x2 + 11x - 7 10.
A = -x3 + 2x2 - x + 1, B = 2x3 + 5x - 1, C = x2 + 5.
Find A + B - C .
Choose:
 x3 + x2 + 4x - 5 x3 + 6x2 - x - 5 x3 + 3x2 + 4x + 6 x3 + x2 + 4x + 5  