Solve the system by graphing.-2x + 2y = -16 2x + 3y = 21
A. no solution
B. x = 9, y = 1
C. x = -2, y = 25
D. x = 1, y = 9
Answer: B
You might also like to view...
The two figures are congruent. Find the measure of the requested side or angle.?ABC
A. ?ABC = 23° B. ?ABC = 118° C. ?ABC = 39° D. ?ABC = 46°
Find the midpoint of the line segment formed by joining the points P1 and P2.P1 = (-5, -7); P2 = (-1, -9)
A. (-6, -16)
B. 
C. 
D. (-4, 2)
Use the given graph to find the x-intercepts and zeros of the function.
A. (-1, 0), (4, 0); -1, 4 B. (-4, 0), (1, 0); -4, 1 C. (-4, 0), (-1, 0); -4, -1 D. (1, 0), (4, 0); 1, 4
The functions ex, sin x, and cos x are related by the formula 
known as Euler's formula. Use an auxillary equation and Euler's formula to find the general solution of the differential equation. y" + 36y = 0
A. y = Ce(6 ± i)x = Ce6x(cos x + i sin x) = C1e6x cos x + C2e6x sin x B. y = Ce(0 ± 6i)x = Ce0(cos 6x + i sin 6x) = C1 cos 6x + C2 sin 6x C. y = Ce(0 ± 6i)x = Ce6x(cos x + i sin x) = C1e6x cos x + C2ex sin 6x D. y = Ce(0 ± 6i)x = Ce0(cos 6x + i sin x) = C1 cos 6x + C2 sin x