Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = x2 - 4
A. (2, 0)
B. No x-intercepts
C. (-4, 0)
D. (-2, 0) and (2, 0)
Answer: D
Mathematics
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Write the product as one base with one exponent.h0 ? k2
A. k2 B. hk2 C. 1 D. 0
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Find the difference.
- 
A. - 
B. 
C. 
D. - 
Mathematics
A 8.9-volt input to a long transmission line decreases to 4.3 volts at the other end. Find the decibel voltage loss. Round to the nearest hundredths. ?
A. 14.55 db B. -14.55 db C. -1.00 db D. -6.32 db E. -0.32 db
Mathematics
Use the Gauss-Jordan method to solve the system of equations. x - y + 3z = -8 x + 5y + z = 405x + y + 13z = 10
A. (0, 8, 0) B. (8, 8, 0) C. (8, 0, 8) D. No solution
Mathematics