Evaluate. The differential is exact.
A. 2
B. 0
C. -2
D. 1
Answer: B
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Insert < or > to write a true statement.8 
9
A. 8 < 9 B. 8 > 9
Find the intercepts for the equation.-4x - 2y = 8
A. (-2, 0); (0, 8) B. (-3, 0); (0, -4) C. (-2, 0); (0, -4) D. (0, 0); (0, -4)
Solve the problem.Two forces of magnitude 25 pounds and 40 pounds act on an object. The force of 40 lb acts along the positive x-axis, and the force of 25 lb acts at an angle of 80° with the positive x-axis. Find the direction and magnitude of the resultant force. Round the direction and magnitude to the nearest whole number.
A. Direction: 29°; magnitude: 51 lb B. Direction: 4°; magnitude: 65 lb C. Direction: 40°; magnitude: 47 lb D. Direction: 51°; magnitude: 51 lb
Find the general form of the equation of the plane passing through the point and perpendicular to the specified vector. [Be sure to reduce the coefficients in your answer to lowest terms by dividing out any common factor.] (-4, 5, 6), n = 2i- 4j+ 4k
A. x- 2y + 2 z + 2 = 0 B. 4x- 5y- 6z + 4 = 0 C. x- 2y + 2 z - 2 = 0 D. x- 2y + 2 z = 0 E. 4x- 5y- 6z - 4 = 0