Solve the system by substitution. 2u + v = 24u - 3v = -6
A. u = - 
, v = 2
B. u = 0, v = 2
C. u = 2, v = 0
D. u = 2, v = - 
Answer: B
You might also like to view...
Find the slope of the line tangent to the graph of the function at the given value of x.y = x4 + 2x3 - 2x + 2; x = -1
A. 0 B. -7 C. 2 D. -5
Round dollar amount to the nearest penny.$3.265
A. $3.30 B. $3.26 C. $3.00 D. $3.27
Find the equation of a circle satisfying the given conditions.Center: (-8, 1); radius: 11
A. (x + 1)2 + (y - 8)2 = 11 B. (x - 8)2 + (y + 1)2 = 121 C. (x - 1)2 + (y + 8)2 = 11 D. (x + 8)2 + (y - 1)2 = 121
Solve.The gravitational attraction between two masses varies inversely as the square of the distance between them. If the force of attraction is 2.25 lb when the masses are 4 ft apart, what is the attraction when the masses are 6 ft apart?
A. 4 pounds B. 1 pound C. 3 pounds D. 2 pounds