Factor the perfect square.x4 - 16x2 + 64
A. (x - 8)2
B. (x - 8)(x + 8)
C. (x2 + 8)2
D. (x2 - 8)2
Answer: D
Mathematics
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Simplify the rate to a unit rate and write the unit rate in words.
A. 
; $15.50 per yard
B. 
; $35.75 per yard
C. 
; $7.50 per yard
D. 
; $46.75 per yard
Mathematics
Find the required part of the geometric sequence.Find a formula for the nth term of a geometric sequence with third term - 
and sixth term - 
.
A. an = 
n - 1 + 
B. an = - 
+ 
(n - 1)
C. an = - 
n - 1
D. an = - 
+ 
(n - 1)
Mathematics
Find an equation for the parabola described.Vertex at (1, 6); focus at (1, 5)
A. y = - 
(x - 1)2 + 6
B. y = 
(x - 6)2 + 1
C. y = 
(x - 1)2 + 6
D. y = - 
(x - 6)2 + 1
Mathematics
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.log2 (x + 4) = 4 + log2 (x - 2)
A. 
B. 
C. 
D. No solution
Mathematics