1.a. r10
b. n16
2.a. 11a3 – 6a2 + 6a – 12
b. -4m2 – 12m + 10
3.a. -42a6b2
b. -6x4 -2x3 + 8x2 – 2x
c. 2y2 + 13y – 45
d. c2 – 36
e. g3/8h5
f. 4y5 – 6y3 + 7y2
4.a. 5a4b3(4a2 – 3ab+ 2b2)
b. 4(b3 – 2b2 + 4)
c. 5x2y(7 + 8xy)
5.a. (y – 2)(y – 8)
b. (y + 8)(y + 3)
c. (x – 6)(x + 5)
6.a. trinomial; 12n3 + 3n2 – 19
b. monomial; 29m2np
c. binomial; -64x2 + 24
7.a. 1,4 or 2,3 or 5,7 or 6,8
b. 3,6 or 4,7
c. 1,5 or 2,8
d. 1,7 or 2,6 or 3,8 or 4,5
e. 34º, 146º
8.a. many (same coefficients, same constants)
b. one (different coefficients)
c. none (same coefficients, different constants)
9. x = -2
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