Find the Center and Radius of the Circle,and Sketch Its $$\left( x - \frac { 1 } { 2 } \right) ^ { 2 } + \left( y - \frac { 1 } { 2 } \right) ^ { 2 } = \frac { 49 } { 4 }$$

question 12

Multiple Choice

Find the center and radius of the circle,and sketch its graph. $$\left( x - \frac { 1 } { 2 } \right) ^ { 2 } + \left( y - \frac { 1 } { 2 } \right) ^ { 2 } = \frac { 49 } { 4 }$$

• A)Centre \[\left( \frac { 1 } { 2 } , \frac { 1 } { 2 } \right)\] ,Radius \(\frac { 49 } { 4 }\)
• B)Centre \(\left( \frac { 1 } { 2 } , \frac { 1 } { 2 } \right)\) ,Radius \(\frac { 49 } { 4 }\)
• C)Centre \(\left( \frac { 1 } { 2 } , \frac { 1 } { 2 } \right)\) ,Radius \(\frac { 7 } { 2 }\)
• D)Centre \(\left( - \frac { 1 } { 2 } , - \frac { 1 } { 2 } \right)\) ,Radius \(\frac { 7 } { 4 }\)
• E)Centre \(\left( \frac { 1 } { 2 } , \frac { 1 } { 2 } \right)\) ,Radius \(\frac { 7 } { 2 }\)

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Definitions:

Reinforcement

In behaviorist psychology, it refers to any stimulus that strengthens or increases the probability of a specific response or behavior by delivering a reward or removing an unpleasant stimulus.

Variable-Ratio Schedule

In operant conditioning, a reinforcement schedule where responses are rewarded after an unpredictable number of responses, leading to high and steady response rates.

Piece-Rate Pay

A compensation system where workers are paid a fixed rate for each unit of production completed, motivating higher productivity.

Weekly Pay

Compensation or salary distributed on a weekly basis to employees or workers.