Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 + 7xy - 18y2
A. (x + 2y)(x + y)
B. (x + 2y)(x + 9y)
C. prime
D. (x - 2y)(x + 9y)
Answer: D
Mathematics
You might also like to view...
Solve.The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 4-kg object stretches a spring 35 cm, how far will a 27-kg weight stretch the spring?
A. 236.25 cm B. 66 cm C. 8.75 cm D. 3.0857 cm
Mathematics
Graph the solution set of the system of linear inequalities and label the vertices (if any) of the solution set.
A. 
B. 
C. 
D. 
Mathematics
Sketch the graph of the function and its inverse on the same coordinate axes.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Find the angle ? (if it exists) in the interval [0°, 90°) for which sec ? = csc ?.
A. ? = 30° B. ? = 60° C. ? = 45° D. No such angle exists.
Mathematics