Factor the polynomial completely using the trial and error method.20y2 - 27y + 9
A. (4y - 3)(5y - 3)
B. (20y + 3)(y + 3)
C. prime
D. (4y + 3)(5y + 3)
Answer: A
Mathematics
You might also like to view...
Evaluate the logarithm without the use of a calculator.log1/3
A. - 
B. 
C. 3
D. - 
Mathematics
Solve the equation in the complex number system.x3 - 27i = 0
A. 3(cos 60° + i sin 60°), 3(cos 180° + i sin 180°), 3(cos 300° + i sin 300°) B. 3(cos 30° + i sin 30°), 3(cos 150° + i sin 150°), 3(cos 270° + i sin 270°) C. 1, -1, -i D. 3(cos 0° + i sin 0°), 3(cos 120° + i sin 120°), 3(cos 240 + i sin 240°)
Mathematics
Write the expression in terms of sines and/or cosines, and then simplify.(cot ? + tan ?) sec ?
A. cos ? - sin ?
B. 
C. 
D. 
Mathematics
Factor the trinomial.x2 - x - 90
A. (x + 1)(x - 19) B. (x + 10)(x - 9) C. (x + 9)(x - 10) D. (x - 10)(x + 10)
Mathematics