Solve the equation by making an appropriate substitution.x4 + 2x2 - 24 = 0
A. {-4, 6}
B. {2, i
}
C. {- 
, 
, -2i, 2i}
D. {-2, 2, -i
, i
}
Answer: D
Mathematics
You might also like to view...
Find the product, if possible. 
A. 
B. 
C. 
D. Not defined
Mathematics
Convert.6.2 tons to pounds
A. 99.2 lb B. 1,240 lb C. 6,200 lb D. 12,400 lb
Mathematics
Graph the inequality.x + 3y ? -3
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Write the solution in interval notation and graph the solution set.5 - 3(1 - x) ? 23
A. (-?, 7)
B. (-?, 8]
C. [7, ?)
D. (-?, 7]
Mathematics