Identify the equation without completing the square.y2 - 4x2 + 8x + 4y + 2 = 0
A. hyperbola
B. ellipse
C. parabola
D. not a conic
Answer: A
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Complete the ordered pairs for the given linear equation. Then plot the points and graph the equation by connecting the points.y = 4x + 3(0,
), (1,
), (-1,
)
A. (0, 3), (1, -1), (-1, 7)
B. (0, -3), (1, 1), (-1, -7)
C. (0, 0), (1, 3), (-1, -3)
D. (0, 3), (1, 7), (-1, -1)
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 
A. Domain: all points in the xy-plane satisfying x2 + y2 = 81; range: real numbers 0 ? z ? 9; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 9
B. Domain: all points in the xy-plane; range: real numbers 0 ? z ? 9; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 9
C. Domain: all points in the xy-plane; range: all real numbers; level curves: circles with centers at 
D. Domain: all points in the xy-plane satisfying x2 + y2 ? 81; range: real numbers 0 ? z ? 9; level curves: circles with centers at (0, 0) and radii r, 0 < r ? 9
Write an equation for the ellipse.e = 
; foci at (7, 0), (-7, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Provide an appropriate response.Solve for x: 22x - 2 ? 2x - 3 = 0
What will be an ideal response?