Factor.9x4 + 27x2 + 20
A. (3x2 + 5)(3x2 + 4)
B. (3x2 + 20)(3x2 + 1)
C. (3x2 - 5)(3x2 - 4)
D. (9x2 + 5)(x2 + 4)
Answer: A
You might also like to view...
Solve.Two ships leave a harbor together traveling on courses that have an angle of 128° between them. If they each travel 520 miles, how far apart are they (to the nearest mile)?
A. 456 mi B. 41 mi C. 1870 mi D. 935 mi
Sides in pair of figures are proportional. Find missing length(s).
A. x = 3, y = 4 B. x = 2, y = 4 C. x = 2, y = 3 D. x = 4, y = 6
Use the fundamental identities to find the value of the trigonometric function.Find csc ? if sin ? = - 
and ? is in quadrant IV.
A. - 
B. 
C. 
D. - 
Use a product-to-sum identity to rewrite the expression.sin(6t) sin(2t)
A. 0.5(sin(8t) + sin(4t)) B. 0.5(cos(8t) + cos(4t)) C. 0.5(sin(8t) - sin(4t)) D. 0.5(cos(4t) - cos(8t))