Find the product.(x + 4y)3
A. x3 + 4x2y + 8xy + 16xy2 + 32y2 + 64y3
B. 3(x + 4y)
C. x3 + 12x2y + 48xy2 + 64y3
D. x3 + 64y3
Answer: C
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Solve the application.At 5 AM, the outside temperature was -6.4°C. By 7 AM, the temperature had risen 3.65°C. What was the temperature at 7 AM?
A. -2.75°C B. -10.05°C C. 23.36°C D. 10.05°C
Solve.The width of a rectangle is 6 kilometers less than twice its length. If its area is 108 square kilometers, find the dimensions of the rectangle.
A. width = 9 km, length = 12 km B. length = 6 km, width = 6 km C. length = 3 km, width = 36 km D. length = 9 km, width = 12 km
Use the rotated system to graph the equation.7x2 + 2xy + 7y2 = 24
A. 
B. 
C. 
D. 
Use the Remainder Theorem and synthetic division to find the function value. Verify your
answer using another method.
?
?
A. 3 B. 4 C. 2 D. -1 E. 0