Provide an appropriate response.Describe two advantages of the substitution method over the graphing method for solving systems of equations.
What will be an ideal response?
The substitution method always yields an exact solution. It might also yield the solution more quickly than the graphing method, particularly when a variable is alone on one side of an equation in the system.
Mathematics
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Evaluate.x - y, where x = -14.072 and y = 3.073
A. -11.001 B. -10.999 C. -17.145 D. -17
Mathematics
Factor by grouping.x2 + 4x + 4x + 16
A. (x + 4)(x + 4) B. (x - 4)(x + 4) C. 8x(x2 + 16) D. (x + 4)(x - 8)
Mathematics
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log (3 + x) - log (x - 4) = log 2
A. {-11}
B.
C. ?
D. {11}
Mathematics
Find the difference.
A. 8 B. 9 C. -16 D. -8 E. 16
Mathematics