Identify the equation as a parabola, circle, ellipse, or hyperbola.16x2 + 9y2 = 144
A. Ellipse
B. Parabola
C. Hyperbola
D. Circle
Answer: A
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Determine whether the statement is true or false.Two composite numbers can never be relatively prime.
A. True B. False
Solve the indicated system of equations algebraically.The product of the lengths of the legs of a right triangle is 108. The hypotenuse has a length of 6
. Find the lengths of the legs.
A. 6, 6 B. 18, 18 C. 6, 18 D. 19, 6
Sketch by hand the graph of the function. Give the coordinates for the vertex.y = 3x2 - 6x + 7 
A. vertex (1, 4)
B. vertex (-1, 4)
C. vertex: (1, 4)
D. vertex (-1, 4)
Solve the problem.Suppose the sales of a particular brand of appliance satisfy the relationship y = 100x + 2100, where y represents the number of sales in year x, with x = 0 corresponding to 1982. Find the number of sales in 
.
A. 3600 sales B. 7200 sales C. 7100 sales D. 3500 sales