Solve by completing the square.4c2 + 7 = 16c
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: A
Mathematics
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Find the vertex of the parabola.y = 3x2 - 18x + 8
A. ( -3, -19) B. ( 3, 19) C. ( 3, -19) D. ( 3, 89)
Mathematics
Find the conjugate of each complex number.5 + j
A. -5 - j B. 5 - j C. No conjugate. D. -5 + j
Mathematics
Solve the equation. Express radicals in simplest form.7x2 + 12x = -1
A. 
B. 
C. 
D. 
Mathematics
Determine whether the linear transformation T is one-to-one and whether it maps as specified.Let T be the linear transformation whose standard matrix is A = 
.Determine whether the linear transformation T is one-to-one and whether it maps ?3 onto ?3.
A. One-to-one; not onto ?3 B. Not one-to-one; onto ?3 C. Not one-to-one; not onto ?3 D. One-to-one; onto ?3
Mathematics