Solve the system r + s = -12 4R - 6s = 12 A. -4,-8 B -6,-6 C -4,8 D Infinitely many solutions
2 answers
Question:
Solve the system r + s = -12
4R - 6s = 12
A. -4,-8
B -6,-6
C -4,8
D Infinitely many solutions
4R - 6s = 12
A. -4,-8
B -6,-6
C -4,8
D Infinitely many solutions
Answers
r + s = -12 so r = -s - 124r - 6s = 12substitute r = -s - 12 into 4r - 6s = 124r - 6s = 124(-s - 12) - 6s = 12-4s - 48 -6s = 12-10s = 60 s = -6r = -(-6) - 12r = 6 - 12r = -6answerB -6,-6
Answer:B. (-6,-6)Step-by-step explanation: r + s = -12 so r = -s - 124r - 6s = 12substitute r = -s - 12 into 4r - 6s = 124r - 6s = 124(-s - 12) - 6s = 12-4s - 48 -6s = 12-10s = 60 s = -6r = -(-6) - 12r = 6 - 12r = -6So therefore the answer is (-6,-6).
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