Find the equation of the line passing through the indicated two points. Write the equation in slope-intercept form.(3, -9) and (9, 7)
A. y = 
x - 
B. y = -2x - 3
C. x = 3
D. y = 
x - 17
Answer: D
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Multiply.
A. - 
B. 
C. - 
D. - 
Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the first-quadrant portion of the circle
if the density of the wire is 
A. 
= 3?, 
= 3?
B. 
= 
?, 
= 
?
C. 
= 
?, 
= 
?
D. 
= 0, 
= 
?
Let the function src="https://sciemce.com/media/3/ppg__cognero__2.1_Functions_and_Function_Notation__media__d07d30e3-f032-4c1a-aa7a-621d92088390.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_81c6d5cb40b74253a9fcf0c2c" />.
be defined by 
, where x and 
are real numbers. Find
?
?
A. 
B. ?
C. 
D. ?
E. ?
Discuss the equation and graph it.r = 
A. directrix parallel to polar
axis 2 below pole
focus (0, 0), vertex 
B. directrix perpendicular to polar
axis 2 left of pole
focus (0, 0), vertex 
C. directrix perpendicular to polar
axis 2 right of pole
focus (0, 0), vertex 
D. directrix parallel to polar
axis 2 above pole
focus (0, 0), vertex 
