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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

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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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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