Find an equation for the ellipse described. Graph the equation.Foci at (-1, 2) and (-5, 2); vertex at (-8, 2)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Write an equation in slope-intercept form of a line satisfying the set of conditions.m = 5, y-intercept (0, -4)
A. y = 5x - 4 B. y = 5x + 5 C. y = 5x + 4 D. y = -4x - 5
Mathematics
Simplify.
+ 
- 
A. 
B. - 
C. 
D. - 
Mathematics
Find 
by implicit differentiation.
?
What will be an ideal response?
Mathematics
Find an equation of the line having the given slope and containing the given point. m = 5; (-4, 0)
A. y = 5x + 20 B. y = -5x + 16 C. y = 5x - 23 D. y = 5x - 21
Mathematics