Specify the center and radius of the circle.5x2 + 5y2 + 50x + 30y + 150 = 0
A. center: (-5, -3); radius: 2
B. center: (3, 5); radius: 4
C. center: (5, 3); radius: 4
D. center: (-3, -5); radius: 2
Answer: A
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Show that the points form the vertices of the indicated polygon. ? Right triangle: (3, 5), (5, 6), (6, 4) ?
A. 
B. 
C. 
D. 
E. 
Write the phrase as a mathematical expression. Use x as the variable.The product of 17 and some number
A. 17 - x
B. 17 + x
C. 17x
D. 
Provide an appropriate response.When any nonzero number is divided by 0, the result is 
.
A. 0 B. impossible to compute C. the nonzero number D. 1
Tell whether a linear model or a quadratic model is appropriate for the data. If a quadratic model is appropriate, then decide also whether the lead coefficient should be positive or negative.
A. Quadratic; leading coefficient positive B. Quadratic; leading coefficient negative C. Linear