Solve using matrices. 5x + y = 28 4x + 5y = 14
A. (6, -2)
B. (-2, -6)
C. (-2, 6)
D. (6, -6)
Answer: A
You might also like to view...
Solve.If the population of a certain country doubles in 9.37 years, find the growth rate k. Assume that the population increases exponentially.
A. 5.7% B. 3.1% C. 8.2% D. 7.4%
Restate in a logically equivalent form.The flowers are not blooming or it is not winter.
A. It is not true that the flowers are blooming and it is winter. B. It is not true that both the flowers are blooming and it is winter. C. The flowers are blooming and it is winter. D. It is not true that it is winter and the flowers are not blooming.
Multiply.
A. - 
B. - 
C. - 
D. 
Determine if each ordered pair is a solution to the given system of inequalities in two variables.x + y = 11y = x2 - 10x + 25(i) (-2, 13); (ii) (7, 4)
A. (i) Yes; (ii) No B. (i) No; (ii) Yes C. (i) Yes; (ii) Yes D. (i) No; (ii) No