Solve the system using matrices.6x + 2y = 09x - 9z = -18 4y - 3z = 4
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.If f(x) = 2x2 - 3x + 4, then f(x + 1) =
A. 2x2 + 4x + 7. B. 2x2 + x + 3. C. 2x2 - 3x + 5. D. 2x2 - 3x. E. 2x2 + x + 6.
Mathematics
Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may apply.-3 - i
A. real, complex B. complex, pure imaginary C. none of these D. complex, nonreal complex
Mathematics
Find the vertex of the parabola.
a. ( -2, 6 ) b. ( 0, -2 ) c. ( 6, -2 ) d. ( -2, 0 ) e. ( 0, 6 )
Mathematics
Solve the problem.A machine part must be of diameter 
inch to work properly. The diameter can deviate no more than 0.1 inch above or below this value. A sample from the manufacturer measured 0.50 inch. Is this within the allowed tolerance?
A. Yes B. No
Mathematics