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Read the questions carefully. Encircle the letter of the correct answer. 1. Which of the following defines the equation of a circle? a. (x – h)2 + (y – k)2 = r2 b. ax? + by +c = 0 а. с. ах2 + bx +с 3D0 | d. a(x – h)2 + b(y- k) +c = 0 2. To transform the center - radius form into the general form, which of the following action can be done first? a. square both sides c. divided by common factor b. completing the square d. expand the square of the binomials 3. In the center - radius form of the equation of a circle, what is the graph when r2 = 0? a. point b. line с. circle d. none

Read the questions carefully. Encircle the letter of the correct answer. 1. Which of the following defines the equation of a circle? a. (x – h)2 + (y – k)2 = r2 b. ax? + by +c = 0 а. с. ах2 + bx +с 3D0 | d. a(x – h)2 + b(y- k) +c = 0 2. To transform the center - radius form into the general form, which of the following action can be done first? a. square both sides c. divided by common factor b. completing the square d. expand the square of the binomials 3. In the center - radius form of the equation of a circle, what is the graph when r2 = 0? a. point b. line с. circle d. none

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.6: Parametric Equations
Problem 2ECP
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Read the questions carefully. Encircle the letter of the correct answer. 1. Which of the following defines the equation of a circle? a. (x – h)2 + (y – k)2 = r2 b. ax? + by +c = 0 c. ax² + bx +c = 0 | d. a(x – h)2 + b(y – k) +c = 0 2. To transform the center - radius form into the general form, which of the following action can be done first? a. square both sides c. divided by common factor b. completing the square d. expand the square of the binomials с. 3. In the center - radius form of the equation of a circle, what is the graph when r2 = 0? a. point b. line с. circle d. none
Transcribed Image Text:Read the questions carefully. Encircle the letter of the correct answer. 1. Which of the following defines the equation of a circle? a. (x – h)2 + (y – k)2 = r2 b. ax? + by +c = 0 c. ax² + bx +c = 0 | d. a(x – h)2 + b(y – k) +c = 0 2. To transform the center - radius form into the general form, which of the following action can be done first? a. square both sides c. divided by common factor b. completing the square d. expand the square of the binomials с. 3. In the center - radius form of the equation of a circle, what is the graph when r2 = 0? a. point b. line с. circle d. none
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