Math 1210 - Quiz - Nicolas Fourrier

... giving or receiving aid on this assignement is forbidden. You will get zero if any of these happen. 1. Solve −x2 + 10x − 11 = 0by using the quadratic formula.
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MATH 1210 - Section 002

Fall 2010

Quiz 1 Name:

August 31, 2010

Directions: Write legibly, the use of documents is forbidden, giving or receiving aid on this assignement is forbidden. You will get zero if any of these happen.

1. Solve −x2 + 10x − 11 = 0by using the quadratic formula. 3 points Answer ∆ =



√ √ √ 56 = 2 14, x1 = 5 − 14, x2 = 5 + 14

2. Solve |3x − 4| ≤ 2. 3 points Answer [ 23 , 2]

3. Find an equation of the line that passes through the point (2,4) and is perpendicular to the line 3x + 4y − 22 = 0. 4 points Answer y = 43 x +

4 3