2. When x = -2, which expression has the value 36? A. 2x3 B. 3x C. (2x)2 D. (3x)2
3. Evaluate 3xy? - y3 for x = -1 and y = 2.
A. -20 B. -4 C. 4 D. 20
4. The value of expression [(2m + 3n) - (2m - 3n))
A-1 B. -1/2 C.O D.1
5. If x= 7, what is the value of x-3?
A. 4 B. 2. C. - 2 D. 4
X-9
3. Evaluate 3xy? - y3 for x = -1 and y = 2.
A. -20 B. -4 C. 4 D. 20
4. The value of expression [(2m + 3n) - (2m - 3n))
A-1 B. -1/2 C.O D.1
5. If x= 7, what is the value of x-3?
A. 4 B. 2. C. - 2 D. 4
X-9
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