Write each rational expression as an equivalent expression with the LCD of the two expressions as the denominator.
and 
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Answer: C
Mathematics
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Determine if the given polar coordinates represent the same point.(5, ?/4), (-5, -?/4)
A. Yes B. No
Mathematics
Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 + 4x - 7
A. vertex: (-2, 3);
x-intercepts: none;
y-intercept: (0, 7)
B. vertex: (-2, -11);
x-intercepts: (-2 ± 
, 0);
y-intercept: (0, -7)
C. vertex: (4, 0);
x-intercept: (4, 0);
y-intercept: (0, 7)
D. vertex: 
;
x-intercepts: (-4, 0) and (3, 0);
y-intercept: (0, -12)
Mathematics
Evaluate using integration by parts.
Mathematics
Plot the ordered pair. State in which quadrant or on which axis the point lies.(5, 0)
A. x-axis
B. quadrant I
C. x-axis
D. y-axis
Mathematics