7. х + 3у + 522 3D 173.61, х - 27у + 2г 71.31, 41x – 2y + 3z = 65.46. Start with x = 1, y = - 1, z = 3. %3D

(8х + 3у — 4) — (2х — 2у — 1) %3D (6 + Зу) + (-2 + 8y) %3D

Which set of coordinates follows these two rules? • X-coordinate: Start with 4 and add 4 to each term. • y-coordinate: Start with 4 and multiply each term by 2. @ (4, 4), (8, 8), (12, 16) ® (4, 4), (8, 8), (16, 16) ©(4, 4), (6, 16), (8, 64) O (4, 4), (8, 6), (12, 8)

3. 4x — у %3D 11 and 2х + 2y %3D 18 4. y = x - 2 and Зх + 2y %3D 16 5. -8 %3 Зу -2х and 4х - бу 3D10

tion 10 37 = 1 8z + 9 or z:

бу? dx - x(2х3 +у)dy %3D 0 a x³y = y+ c b. x-3ya 2y+ c C. x³y= yi+ c d. x-³y= 2yi+ c

Find * 4xe²? dx. e2z² + 2ez² +2 -2tan-1(e*² + 1) + c 2tan-1(e* + 1) + c O Option 2 Option 1 2tan-1(xe* + 1) + c -2tan-1(xex + 1) + c

Compute (2, -3,4) • ( − 5,4,1). (2, -3,4) • (-5,4, 1) = (Simplify your answer.)