Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form.-4x - 5y = -19-8x = -21 + 10y
A. (21, 51)
B. (-4, 51)
C. No solution
D. (-4, 7)
Answer: C
Mathematics
You might also like to view...
Write the decimal number in words.4.389
A. four and three hundred eighty-nine hundredths B. four and three hundred eighty-nine tenths C. four and three hundred eighty-nine thousandths D. four and three hundred eighty-nine millionths
Mathematics
Determine the relative maxima and relative minima, if any. Otherwise, answer none.
?
?
Relative maxima: __________
?
Relative minima: __________
What will be an ideal response?
Mathematics
Evaluate 
for
?
?
A. 81 B. 4 C. 5 D. 3 E. 6
Mathematics
Provide an appropriate response.Write 
in the form axp + bxq + cxr, where a, b, and c are real numbers and p, q and r are integers.
What will be an ideal response?
Mathematics