Use the ac method to factor the trinomial, or state that the trinomial is prime.6x2 - 5xy - 6y2
A. (3x - 2y)(2x + 3y)
B. prime
C. (3x + 2y)(2x - 3y)
D. (6x + 2y)(x - 3y)
Answer: C
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Test the vector field F to determine if it is conservative.F = 
i + 
j - 
k
A. Not conservative B. Conservative
Let x represent one number and let y represent the other number. Use the given conditions to write a system of equations. Solve the system and find the numbers.The sum of two numbers is 20. If one number is subtracted from the other, their difference is 7. Find the numbers.
A. 12.5 and 7.5 B. 13.5 and 6.5 C. 14.5 and 5.5 D. 10.5 and 9.5
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. Determine where the function is increasing and where it is decreasing. If necessary, round answers to two decimal places.f(x) = x3 - 4x2 + 6; (-1, 4)
What will be an ideal response?
Use dimensional analysis to answer the question. Which length is longer? 42 centimeters or 4.2 inches
A. 42 centimeters B. They are the same length. C. 4.2 inches