Find the Zeros of the Quadratic Function by Completing the Square

question 213

Multiple Choice

Find the zeros of the quadratic function by completing the square. List the x-intercepts of the graph of the function.
- $$f ( x ) = 16 x ^ { 2 } + 56 x + 13$$

• A) \(x = - \frac { 1 } { 16 } , x = - \frac { 13 } { 16 }\)
• B) \(x = - \frac { 13 } { 8 } , x = \frac { 13 } { 8 }\)
• C) \(x = \frac { 1 } { 4 } , x = \frac { 13 } { 4 }\)
• D) \(x = - \frac { 1 } { 4 } , x = - \frac { 13 } { 4 }\)

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Definitions:

Token Economy

A behavior modification system based on the systematic reinforcement of target behavior through the issuance of tokens that can be exchanged for desired rewards.

Contingency Contract

A formal, written agreement between the therapist and client (or teacher and student) in which goals for behavioral change, reinforcements, and penalties are clearly stated.

Systematic Desensitization

A behavioral therapy technique used to reduce phobias through gradual exposure to the feared object or situation paired with relaxation techniques.

Person-Centered Therapy

A therapeutic approach founded by Carl Rogers that emphasizes an individual's self-worth and values being at the center of the therapy process.