9.3 Polynomials Pg. 394: 7,9,11,13,21 - Some of these extra

Lesson 26 - 9.3 # 7 Find zeros of polynomial

So y-int (0, 0) and zeroes are: (-4, 0), (-3, 0) and (0, 0)

Lesson 26 - 9.3 # 9 Find zeros of polynomial

Factor further:

So y-int (0, 500) and zeroes are: (-5, 0), (-2, 0) and (2, 0) and (5, 0)

Lesson 26 - 9.3 # 11 From graph determine formula:

(c)

Lesson 26 - 9.3 # 13 From graph determine formula:

Formula is:

Lesson 26 - 9.3 # 20 From graph and point (1, 2) determine formula:

Formula:

Lesson 26 - 9.3 # 21 From graph and point (-1, -3) determine formula:

Formula: