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Intermediate Algebra – Student Workbook – Second Edition 2013

Intermediate Algebra – Student Workbook – Second Edition 2013

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Name: _____________________<br />

Date: ________________<br />

Lesson 1b Assessment<br />

1. Determine the equation of the line between the points (4, 3) and (12, <strong>–</strong>3). Write your answer<br />

in slope-intercept form y = mx + b.<br />

2. The function P(n) = 455n <strong>–</strong>1820 represents a computer manufacturer’s profit when n<br />

computers are sold.<br />

a) Identify the vertical intercept. Write it as an ordered pair and interpret its meaning in a<br />

complete sentence.<br />

Ordered Pair:_________________<br />

b) Determine the horizontal intercept. Write it as an ordered pair and interpret its meaning<br />

in a complete sentence.<br />

Ordered Pair:_________________<br />

Scottsdale Community College Page 49 <strong>Intermediate</strong> <strong>Algebra</strong>

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