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Dr. D. P. Story Solutions. The solutions to Test 1.

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My Course Spring, 2015

Test 1 Name: Answer Key

Dr. D. P. Story Solutions. The solutions to Test 1.

1. (a) It is well known that Newton and Leibniz are jointly credited as the founders of

modern calculus. 

1. (b) T The area of a circle is πr

2

. 

1. (c) There is only one real root There are two distinct real roots

✔ There are two complex roots None of these 

2. We use the quadratic formula:

x = 3 ±

9 − 4 · 2 · 2

2 · 2 = 3 ±

−7

4 = 3 ±

7 ı 4



3. Ans: 5x + 3y = 26

Apparently the given line has slope m = 3/5, so m

= −5/3. The rest is left to the reader. 

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