7.8 Factoring Polynomials Completely Homework

Posljednje ažuriranje over 2 years ago

Factor the polynomial by grouping: y^{3} − 9y^{2} + y − 9

Factor the polynomial by grouping: 2s^{3} + 27 + 18s + 3s^{2}

(hint: rewrite the polynomial)

Factor the polynomial by grouping: 2a^{2} − 12b + 8ab − 3a

(hint: rewrite the polynomial)

Factor the polynomial completely: 36a^{4} − 4a^{2}

Factor the polynomial completely: 5w^{4} − 40w^{3} + 80w^{2}

Find the x-intercepts of the graph.

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Smallest intercept:

Middle intercept:

Largest intercept:

MODELING REAL LIFE

A gift bag has width w and is in the shape of a rectangular prism. The volume of the gift bag is 1152 cubic inches. The height is greater than

the width. Let w = the width, (2w+4) = length , (18-w) = height

V = lwh

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What are the dimensions of the gift bag?

length:

width:

height: