Identify the graph of the equation 
.
?
A. The graph of this equation is the point 
.
B. The graph of this equation is the point 
.
C. The graph of this equation is an ellipse centered at 
with major axis parallel to the y-axis.
D. The graph of this equation is the point 
.
E. The graph of this equation is an ellipse centered at 
with major axis parallel to the x-axis.
Answer: A
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To study the effect of fluoride in preventing tooth decay, researchers counted the number of fillings in the teeth of 28 patients and recorded these results:6, 7, 13, 21, 16, 22, 19, 8, 12, 3, 8, 2, 8, 16, 12, 19, 15, 10, 13, 9, 14, 15, 14, 14, 10, 10, 12, 12Create a table to tally the results.
A. Number of fillings Frequency 1-5 2 6-10 10 11-15 11 16-20 5 21-252 B. Number of fillings Frequency 1-5 4 6-10 9 11-15 12 16-20 4 21-25 2 C. Number of fillings Frequency 1-5 2 6-10 9 11-15 12 16-20 4 21-25 1 D. Number of fillings Frequency 1-5 4 6-10 10 11-15 12 16-20 5 21-25 3 E. Number of fillings Frequency 1-5 2 6-10 9 11-15 11 16-20 4 21-25 2
Add the numbers.
A. 4545 B. 4356 C. 4456 D. 4347
Find the component form of the vector given the initial and terminal points.
; K(-9, 2), L(7, -8)
A. 
B. 
C. 
D. 
Find the particular solution for the initial value problem. 
= x1/2y2; y(9) = 9
A. y = - 
B. y = - 
C. y = - 
D. y = - 