Solve the equation by completing the square.3x2 - 6x - 9 = 0
A. 
, -1
B. 
, 1
C. 3, -1
D. No real solution
Answer: C
Mathematics
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Combine like terms.3x + 5x - 31x
A. 23x2 B. 23x C. -23x2 D. -23x
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 4x
A. f-1(x) = -4x
B. f-1(x) = 
C. f-1(x) = 4x
D. f-1(x) = 
Mathematics
Find the sum.4, 16, 64, 256, 1,024
A. 1,365 B. 1,374 C. 1,364 D. 1,368
Mathematics
When the midpoints of the sides of a quadrilateral are joined in order, the quadrilateral formed is always a square.
Answer the following statement true (T) or false (F)
Mathematics