Solve the system of equations by substitution.3x + y = 132x - 7y = 24
A. (-5, -2)
B. (5, 2)
C. (5, -2)
D. (-5, 2)
Answer: C
Mathematics
You might also like to view...
Find the value of d2y/dx2 at the point defined by the given value of t.x = sin t, y = 5 sin t, t = 
A. -10 B. 0 C. 10 D. -5
Mathematics
Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of two squares of two numbers is 149, and the difference of their squares is 51. Find the numbers.
A. 10 and 7 B. 10 and 7; -10 and 7; 10 and -7 C. 10 and 7; -10 and -7 D. 10 and 7; -10 and 7; 10 and -7; -10 and -7
Mathematics
Graph the pair of parametric equations.x = 2t - 1, y = t2 + 7, -4 ? t ? 4
A. 
B. 
C. 
D. 
Mathematics
Solve the equation using the square root property.x2 - 25 = 0
A. {5} B. {-5, 5} C. {-5} D. {25}
Mathematics