Factor the trinomial completely.8x4 + 18x2 + 9
A. (4x2 + 3)(2x2 + 3)
B. (4x2 - 3)(2x2 - 3)
C. (8x2 + 3)(x2 + 3)
D. (4x2 + 1)(2x2 + 9)
Answer: A
Mathematics
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State whether the fractions are equal or not equal.
, 
A. Equal B. Not equal
Mathematics
Find the domain of the function. Write the domain using interval notation.f(x) = 
A. (-?, -9) ? (-9, ?) B. (-?, -5) ? (-5, 5) ? (5, ?) C. (-?, 0) ? (0, ?) D. (-?, 9) ? (9, ?)
Mathematics
Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. z = 6 B. z = 0 C. z = -6 D. Defined for all real numbers
Mathematics
Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 - 
x
A. x2 - 
x + 
= 
2
B. x2 - 
x + 
= 
2
C. x2 - 
x + 
= 
2
D. x2 - 
x + 
= 
2
Mathematics