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Unit 3 Answer Sheet


Objective 1 - Tangent Lines and Normal Lines

1) tangent: 16y+3x=8 normal: 3y=16x-31.625 (another correct answer for normal: 24y-128x=-253) 2) tangent: 25y=3x+48 normal: 3y+25x=234 3) tangent: 15x+y=-5 normal: 15y=x-301 4) tangent: 16x-y-28=0 normal: x+16y-66=0

Objective 2 - Parametric Equations

(#1 should be 354.29 degrees not 35429 degrees) (#3 should be 66 degrees not 67.89 degrees)

Objective 3 - Related Rates

(#1 should be .009 not .09) 2) 1.22 $/week 3) o.3875 V/s 4) 13 1/3 ft/sec

Unit 3 Outline