Algerbra 2/Trigonometry - January 2011

PART 1

1.Which graph does not represent a function?

2 The roots of the equation x2 - 10 x + 25 = 0 are

(1) imaginary
(2) real and irrational
(3) real, rational, and equal
(4) real, rational, and unequal

3 Which values of x are solutions of the equation x3 + x2 - 2x = 0?

(1) 0, 1, 2      (3) 0, -1, 2
(2) 0, 1, -2    (4) 0, -1, -2

4.

 

5 What is the fifteenth term of the sequence 5, -10, 20, -40, 80, . . . ?

(1) -163,840     (3) 81,920
(2) -81,920       (4) 327,680

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