Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2
A. 8 log2x + 7 log2y + log25
B. (8 log2x)(7 log2y) - log25
C. 8 log2x - 7 log2y - log25
D. 8 log2x + 7 log2y - log25
Answer: D
Mathematics
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Find the focus and the directrix of the parabola.y = - 
x2 - 
x - 
A. (-5, -3); y = -5
B. (-5, 0); y = 2
C. (-5, 2); y = 0
D. 
; y = 
Mathematics
Simplify the following by combining like terms.- 
x2 + 
x + 
- 
x2 + 
x - 
A. 
x2 + 
x - 2
B. - 
x4 + 
x2 + 
C. - 
x2 + 
x + 
D. 
x6 + 
Mathematics
Use mathematical induction to prove the following.(69)n = 69n
What will be an ideal response?
Mathematics
Factor the polynomial.x2 + 7x - 44
A. (x - 11)(x + 1) B. (x + 11)(x - 4) C. (x - 11)(x + 4) D. prime
Mathematics