Factor completely. If the polynomial is prime, then state this as your answer.1 - 81y4
A. (1 + 9y2)(1 + 3y)(1 - 3y)
B. (1 + 9y2)(1 - 9y2)
C. prime
D. (1 + 3y)2(1 - 3y)2
Answer: A
Mathematics
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Find all x-intercepts.k(x) = 
- 
A. (0, 0) B. (-18, 0) C. (18, 0) D. no x-intercepts
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Multiply, and then simplify if possible. Assume all variables represent positive real numbers.
(
+ 
)
A. 441 + 7
B. 21 + 49
C. 21 + 7
D. 42
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Let f(x) = 8x2 - 5x and g(x) = 7x + 9. Find the composite.f[g(-3)]
A. 7050 B. 408 C. 1212 D. 618
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Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex (0, 18); passing through (-3, 0)
A. y = x2 + 18 B. y = -2x2 + 18 C. y = 18x2 + 18 D. y = -2x2 - 18
Mathematics