Find dy/dx by implicit differentiation. If applicable, express the result in terms of x and y.2y2 + 5x2 - 19 = 0
A. 
B. 
C. 
D. 
Answer: B
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Expand the quotient by partial fractions.
A. 
+ 
B. 
+ 
+ 
C. 
+ 
D. 
+ 
+ 
Round the number in the left column to the place indicated in each of the other columns. NumberHundredTenUnitTenthHundredthThousandth979.6686
A. Number Hundred Ten Unit Tenth Hundredth Thousandth979.6686 1,000 980 980 979.7 979.68 979.669
B. Number Hundred Ten Unit Tenth Hundredth Thousandth979.6686 1,000 980 981 979.7 979.76 979.760
C. Number Hundred Ten Unit Tenth Hundredth Thousandth979.6686 1,000 980 980 979.7 979.67 979.669
D. Number Hundred Ten Unit Tenth Hundredth Thousandth979.6686 1,000 970 980 979.7 979.76 979.669
E. Number Hundred Ten Unit Tenth Hundredth Thousandth979.6686 900 970 980 979.8 979.67 979.669
Write the phrase as a mathematical expression. Use x as the variable.Some number minus 51
A. 51 B. 51x C. x + 51 D. x - 51
Find the LCD of the given fractions by inspection.
and 
A. 14 B. 5 C. 45 D. 9