Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Determine whether or not the graph is a graph of a function of x.
A. Function B. Not a function
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Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.
A. Yes; yes B. Yes; no C. No
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Express the number in standard notation.5.602 × 107
A. 560,200,000 B. 5,602,000 C. 56,020,000 D. 392.14
Mathematics
Find the vertices of the ellipse.49x2 + y2 - 294x + 392 = 0
A. (3, 7), (3, -7)
B. (3, 4
), (3, -4
)
C. (7, 2
), (7, -4
)
D. (7, 3), (7, -3)
Mathematics