Solve the system by the substitution method.49x2 + 64y2 = 31368y + 7x = 56
A. (0, -8), (0, -7)
B. (0, -7), (-8, 0)
C. (0, 8), (7, 0)
D. (0, 7), (8, 0)
Answer: D
Mathematics
You might also like to view...
Find the quantity indicated.x varies inversely as y2. If x = 4 when y = 10, find x when y = 2.
A. x = 100 B. x = 5 C. x = 80 D. x = 16
Mathematics
Use Taylor series to evaluate the limit.
x3
A. - 
B. - 
C. - 
D. - 
Mathematics
Find the domain and range of the relation.{(8,4), (-8,5), (2,2), (2,-5)}
A. D = {8, 2, -8}; R = {4, 2, 5, -5} B. D = {8, 2, -8, -2}; R = {4, 2, 5, -5} C. D = {4, 2, 5, -5}; R = {8, 2, -8} D. D = {8, 2, -8, 2}; R = {4, 2, 5, -5}
Mathematics
Graph the inequality.y > x2 - 5
A. 
B. 
C. 
D. 
Mathematics