1. 3p = x, then 3p + 3 is:
-
x + 3
3x
27x
9x
x3
2. The expression 1/i is equivalent to:
-
1
-1
i
–i
-1/i
3. If 2x3 = 8, then what is the value of (6x3)2?
-
64
156
384
288
576
4. The expression √(5/3) can also be written as:
-
5/√3
3/√5
√15/3
3/√15
5/3
5. The daily income of Laura has increased from $120 to $150. The percentage increase in her income is:
-
15%
20%
25%
30%
60%
6. If |x – 4| < 2, then which of the following is true?
-
2 < x < 6
x < 2 or x > 6
-2 < x < 6
x = 2
x = 6
7. A circle is inscribed in a square ABCD as shown in the figure. If the length of the line segment PQ is 6, then the area of the circle is:
-
5pae
12pae
18pae
22pae
25pae
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