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Exam PREPARATORIO MATEMÁTICAS 1 Name_________________________________Profesor Rubén Darío Lozano Rubiano, rubendarlr@gmail.com MULTIPLE CHOICE. Choose the one alternative that best completes thestatement or answers the question. Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set. 1) B C A) {0} C) { } 2) A C A) {1, 2,3, 4, 5, 8, 9} C) {1} 3) A B A) {1, 2, 3, 5, 7, 8} 4) (A B) C B) {2, 3, 5} C) {1, 2, 3, 5} D) {1, 2, 3, 4, 5, 9} 5) B) { } D) {1, 2, 3, 5} 6) B) { } D) {6, 8} B) {2, 3, 5, 7} C) {2, 3, 5} D) {1, 2, 3,5, 8} 4) B) {1, 2, 3, 5, 7, 9} D) {4, 6, 7, 9} 3) B) {1, 2, 3, 5, 7, 9} D) {1, 2, 3, 4, 5, 7, 9} 2) 1)

A) {1, 2, 3} 5) (B C) A

A) {1, 2, 3, 4, 5, 7, 9} C) {1, 2, 3} 6) B

C
A) {0, 6, 8} C){1, 2, 3, 4, 5, 7, 9}

Insert , or = to make the statement true. 7) 6.7 A) > 8)
1 3 0.33

-3.2
B) = C) <

7)

8) B) > C) <

A) = Write the statement as an inequality. 9) z is less than orequal to 6 A) z = 6 B) z < 6

9) C) z > 6 D) z 6

1

Use the given real number line to compute the distance. 10) Find d(A, B) 10)

A) 9

B) -8

C) 8

D) 7

Evaluate the expression usingthe given values. 11) x + 12y A) 7 12) -5xy + 5y - 3 A) 23 13)
11x - 13y 7 x = 8, y = 5

x = -5, y = -1 B) -61 x = 5, y = -1 B) 17 C) -33 D) 20 C) -17 D) -6

11)

12)

13) B)
153 7

A)75 7 x = 5, y = 7

C)

23 7

D) 7

14)

3xy + 45 x

14) B) 9 C) 66 D) 12 15) B) 54 C) 18 D) 51

A) 30 15) |-6x - 9y| A) 3
Use the formula C =

x = 4, y = -3

5 (F - 32) forconverting degrees Fahrenheit into degrees Celsius to find the Celsius measure of the 9

Fahrenheit temperature.

16) F = -13° A) -20° C B) -15° C C) -25° C D) -30° C

16)

Express the statement asan equation involving the indicated variables. 17) The perimeter P of a rectangle is twice the sum of its length l and its width w. A) P = lw B) P = l + w C) P = 2lw D) P = 2(l + w) 18) D) A = bh 17)...
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