Factor by grouping.8a3 - 20a2b + 10ab2 - 25b3
A. (8a2 + 5b2)(a - 5b)
B. (4a2 + 5b)(2a - 5b)
C. (4a2 - 5b2)(2a + 5b)
D. (4a2 + 5b2)(2a - 5b)
Answer: D
Mathematics
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Find the particular solution to the given differential equation that satisfies the given conditions.2
+ 11
+ 15y = 0; Dy = 0 and y = 4 when x = 0
A. y = - 20e-3x + 24e(-5/2)x B. y = 20e-3x - 24e(-5/2)x C. y = 24e-3x - 20e(-5/2)x D. y = - 20e3x + 24e(5/2)x
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 1
B. 
C. 
D. 
Mathematics
Write as an equivalent addition statement. (Do not evaluate.)11 - (-19)
A. -19 + (-11) B. 19 + (-11) C. 11 + 19 D. 11 + (-19)
Mathematics
Sketch the graph of f by hand.f(x) = 
A. 
B. 
C. 
D. 
Mathematics