Find an equation for the ellipse described.Center at (5, 5); focus at (11, 5); vertex at (13, 5)
A. 
- 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 2
Answer: B
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Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions.4x2 + 4x + 1 = 0
A. Two different imaginary solutions B. Two different irrational solutions C. Exactly one rational solution D. Two different rational solutions
Provide an appropriate response.When two linear equations are solved for y and the slopes are different and the y-intercepts are different, the lines 
A. Parallel B. Intersecting C. One Graph
Add or subtract as indicated and write the result in standard form.1 - (7 - 6i) - (2 - 7i)
A. -8 + 13i B. -9 - 13i C. -9 + 13i D. -8 - 13i
Simplify the algebraic expression.2x + (-10) + (-8x) + 4
A. 6x + 6 B. -6x + 14 C. 6x + 14 D. -6x - 6