Provide an appropriate answer. Determine whether the points whose coordinates are (3, -3), (1, -5), and (-1, -7) lie on a line.
A. The points lie on a line.
B. The points do not lie on a line.
Answer: A
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Factor the polynomial completely. If the polynomial is prime, so state.36x3y3 + 21x2y4 + 3xy5
A. 3xy3(3x + y)(4x + y) B. 3xy(3x + y2)(4x + y) C. 3y3(3x2 + y)(4x + y) D. xy3(9x + 3y)(4x + y)
Solve.A plane flying with a tailwind flew at a speed of 460 mph, relative to the ground. When flying against the tailwind, it flew at a speed of 330 mph. Graph the system to find the speed of the plane in calm air and the speed of the tailwind.
A. Speed of plane: 405 mph Speed of tailwind: 55 mph B. Speed of plane: 55 mph Speed of tailwind: 405 mph C. Speed of plane: 395 mph Speed of tailwind: 65 mph D. Speed of plane: 65 mph Speed of tailwind: 395 mph
Solve for x: x2 - 2x - 8 = 0
a. x = 2, 4 b. x = 2, -4 c. x = 6, 0 d. x = 3, -3 e. x = -2, 4
Graph the function.y = 4 cot 2x
A. 
B. 
C. 
D. 