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8-55.
  1. For each of the following polynomial expressions, find the degree, list the coefficients, and then label them a0 through an. Refer to the example in the Math Notes box above about polynomial notation. Homework Help ✎

    1. 6x4 − 3x3 + 5x2 + x + 8

    2. −5x3 + 10x2 + 8

    3. x2 + x

    4. x(x − 3)(x − 5)

    5. x

    6. 10

Degree 4,
a4 = 6, a3 = −3, a2 = 5, a1 = 1, a0 = 8

Degree 3,
a3 = −5, a2 = 10, a1 = 0, a0 = 8

See the Math Notes box and parts (a) and (b).

Simplify first.

Degree 3,
a3 = 1, a2 = −8, a1 = 15, a0 = 0

See the Math Notes box and parts (a) and (b).

See the Math Notes box and parts (a) and (b).