Simplify the power of i.i-47
A. 1
B. -i
C. i
D. -1
Answer: C
Mathematics
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Let 
. If x is multiplied by 5, how is ?y affected?
?
A. y is multiplied by 125 B. ?y is multiplied by 243 C. 125 is added to y D. 243 is added to y
Mathematics
Find the vertex of the parabola associated with the quadratic equation.y = x2 - 3
A. (-3, 0) B. (0, -3) C. (-3, -3) D. (0, 0)
Mathematics
Use the elimination method by addition to find the solution for the following system.
A. x = 0, y = 0, z = 0 B. x = 4, y = 4, z = -1 C. x = -1, y = -2, z = -9 D. The system is inconsistent.
Mathematics
Solve.-13 = 4y + 3
A. - 
B. -4
C. -20
D. - 
Mathematics