Use the discriminant to determine whether the graph of the equation is an ellipse (or circle), a hyperbola, or a parabola.x2 + xy + y2 + 3x - 4y - 3 = 0
A. Parabola
B. Ellipse or circle
C. Hyperbola
Answer: B
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Solve the equation for the indicated variable.A = 
bh; solve for b
A. b = 
B. b = 
C. b = 
D. b = 
In a recent pretrial run for the world water speed record, the velocity of the Sea Falcon II t seconds after firing the booster rocket was given by
?
ft/sec. Find the distance covered by the boat over the 5-second period after the booster rocket was activated.
Hint: The distance is given by 
.
What will be an ideal response?
Answer the question.The points (-6, -1) and (6, 5) are the points at which the diagonal of a square intersects the square. What are the coordinates of the center of the square?
A. (1, 2) B. (0, 3) C. (0, 2) D. (1, 3)
Perform the indicated row operations on the following matrix. 
(-2)R1 + R2 ? R2
A. 
B. 
C. 
D. 