Factor completely.4x2 - 40x + 100
A. 4(x - 5)(x - 5)
B. (4x - 20)(x - 5)
C. 4(x - 25)(x + 1)
D. Prime
Answer: A
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List all the elements of B that belong to the given set.B = {11, 
, -14, 0, 
, 
, 0.37, -5?, 0.444......}Positive rational numbers that are not integers
A. 11, 0.37, 0.444.....
B. 0.37
C. 
, 0.37, 0.444.....
D. 0.37, 0.444.....
Use the rational zero test to find all the rational zeros of f(x).f(x) = 5x4 + 7x3 - 18x2 - 28x - 8
A. Zeros: 1, 2/5, 2, -2 B. Zeros: 1, -2/5, 2, -2 C. Zeros: -1, 2/5, 2, -2 D. Zeros: -1, -2/5, 2, -2
Use Pascal's triangle to expand the binomial.(x3 - 2y2)5
A. x15 - 10x7y2 + 40x6y4 - 80x5y5 + 80x3y6 - 32y7 B. x15 - 32y10 C. x15 - 10x12y2 + 40x9y4 - 80x6y6 + 80x3y8 - 32y10 D. x15 - 2x12y2 + 4x9y4 - 8x6y6 + 16x3y8 - 32y10
Find the 10th term of the geometric sequence 2, -10, 50, ….
a. –5,120 b. –3,906,250 c. –2,560 d. –43