Factor the trinomial by grouping.
?
?
?
A. 
B. 
C. 
D. 
E. 
Answer: E
You might also like to view...
Find the volume of rectangular solid measuring 11.5cm x 13.42 cm x 3.125 cm.
Solve the system of equations by graphing. If the system is inconsistent or the equations are dependent, say so.-2x + 3y = 104x + 3y = 16
A. {(4, 1)} B. {(1, 4)} C. ? (inconsistent system) D. {(-2, 24)}
Solve the problem.A certain electronic air cleaner is capable of filtering x liters of air per second and the percentage of the contaminants that are removed from the air may be calculated by 
where 
Graph f in [0,85,5] by 
Then, use the intersection-of-graphs method to estimate the x-values where 70% to 95% of the pollutants are removed.
width="180" />
A. 70% to 95% are removed when
about 22 to 30 liters of air are
filtered.
B. 70% to 95% are removed when
about 32 to 44 liters of air are
filtered.
C. 70% to 95% are removed when
about 25 to 35 liters of air are
filtered.
D. 70% to 95% are removed when
about 39 to 52 liters of air are
filtered.
Graph.7x + y = 4
A. 
B. 
C. 
D. 