Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. infinitely many solutions; {
-6x + 4y = -6} or {
12y = -18 + 18x}
B. {(-6, 4)}
C. no solution; ?
D. {(0,0)}
Answer: A
Mathematics
You might also like to view...
Solve the problem. Round to an appropriate number of significant digits.Carole's car averages 15.9 mi/gal in city driving and 24.1 mi/gal in highway driving. If she drove a total of 631.3 mi on 33 gal of gas, how many of the gallons were used for city driving?
A. 22 gal B. 18 gal C. 13 gal D. 20 gal
Mathematics
Find the whole.69 hotels is 115% of what number of hotels?
A. 132.25 B. 60 C. 13,225 D. 600
Mathematics
Solve the polynomial inequality.(x + 1)(x - 7) ? 0
A. [7, ?) B. (-?, -1] ? [7, ?) C. [-1, 7] D. (-?, -1]
Mathematics
Find the least common multiple for the set of numbers.135, 56, 150
A. 7560 B. 1050 C. 37,800 D. 3780
Mathematics