Solve the equation by the method of your choice. Simplify irrational solutions, if possible.4x2 + 8x + 1 = 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Multiply.9
A. 81x - 63x
B. 81x - 63x
C. 18
D. 81x - 63
Mathematics
Use an appropriate identity to find the exact value of the expression.sin 
A. 
B. 
C. 
D. 
Mathematics
If E and F are independent with 
, 
. Then 
_____.
A. 1
B. 
C. 
D. 0
Mathematics
Identify any intercepts and test for symmetry. Then sketch the graph of the equation.
?
?
A. x-intercept: (2, 0)
y-intercept: none
No symmetry
?
B. x-intercept: (2, 0)
y-intercept: none
No symmetry?
C. x-intercept: (2, 0)
y-intercept: (0, 
)
No symmetry
?
D. x-intercept: (-2, 0)
y-intercept: none
No symmetry
?
?
E. x-intercept: (-2, 0)
y-intercept: none
No symmetry
?
Mathematics