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GRA Learning Module for Junior High School Mathemas The roots of a quadratic equation are -9 and 3. Which of the following quadr quations has these roots? A7-9 +3=0 3. +6r -27 =0 C. 9- 3x + 27-0 D. 3r-9x + 27 =0

GRA Learning Module for Junior High School Mathemas The roots of a quadratic equation are -9 and 3. Which of the following quadr quations has these roots? A7-9 +3=0 3. +6r -27 =0 C. 9- 3x + 27-0 D. 3r-9x + 27 =0

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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6:35 O O l 32% Lanilyn ... More GRADE Learning Module for Juntor High School Mathematics 5. The roots of a quadratic equation are -9 and 3. Which of the following quadratic equations has these roots? A. x- 9x +3 =0 B. x+ 6x - 27 = 0 C. 9x-3x + 27-0 D. 3r - 9x + 27 =0 6. The sum of the roots ofa quadratic cquation is -8. If one of the roots is 7, which of the following is the quadratic equation? A. x+ 8x - 105 0 B. x - Bx + 105 0 C. x + 8r + 105 = 0 D. x- Bx - 105 =0 7. The product of the roots of a quadratic equation is 48. If one of the roots is -16, which of the following could be the equation? A. x - 48 = 0 B. x + 16 = 0 C. x + 19x + 48 = 0 D. x? - 19x + 48 = 0 8. N and are the roots of which of the following quadratic equations? . 8x- 12x +1 =0 B. Bx + 12x +1=0 C. 12x? - 8x +1=0 D. 12x - 8x -1=0 9. Let s and p be the roots of the equation 4x - tx =n. What is s+ p? A. C.4 D. -t B. 10. What is the value k if one root of 3kx- 2kx +9 =0 is 1? A. -18 В. -9 C. 9
Transcribed Image Text:6:35 O O l 32% Lanilyn ... More GRADE Learning Module for Juntor High School Mathematics 5. The roots of a quadratic equation are -9 and 3. Which of the following quadratic equations has these roots? A. x- 9x +3 =0 B. x+ 6x - 27 = 0 C. 9x-3x + 27-0 D. 3r - 9x + 27 =0 6. The sum of the roots ofa quadratic cquation is -8. If one of the roots is 7, which of the following is the quadratic equation? A. x+ 8x - 105 0 B. x - Bx + 105 0 C. x + 8r + 105 = 0 D. x- Bx - 105 =0 7. The product of the roots of a quadratic equation is 48. If one of the roots is -16, which of the following could be the equation? A. x - 48 = 0 B. x + 16 = 0 C. x + 19x + 48 = 0 D. x? - 19x + 48 = 0 8. N and are the roots of which of the following quadratic equations? . 8x- 12x +1 =0 B. Bx + 12x +1=0 C. 12x? - 8x +1=0 D. 12x - 8x -1=0 9. Let s and p be the roots of the equation 4x - tx =n. What is s+ p? A. C.4 D. -t B. 10. What is the value k if one root of 3kx- 2kx +9 =0 is 1? A. -18 В. -9 C. 9
O F 32% 6:35 O Lanilyn GRADE 9 Learning Module for Junior High School Mathematies WHAT'S IN Critical Thinking Refer to the two quadratic equations below. Use the concepts learned in the previous module to fill in the blanks with the correct answer. Then, answer the question at the end. x + 4x- 21 =0 x+ Bx- 20=0 What are the values of : What are the values of : 1. a 2. bm 3. c 1. am 2. b= 3. c%= Using any method, what are the roots? 1. X = 2. 1, = Using any method, what are the roots? 1. x = 2. X = Perform the indicated operation. 1. x + x2 = 2. x X2 =- Perform the indicated operation. 1. x, + x2 = 2. x X2 = 1. What do you observe about the sum and product of the roots in relation to the values of a, b, and c? Question: 3 Edit More :
Transcribed Image Text:O F 32% 6:35 O Lanilyn GRADE 9 Learning Module for Junior High School Mathematies WHAT'S IN Critical Thinking Refer to the two quadratic equations below. Use the concepts learned in the previous module to fill in the blanks with the correct answer. Then, answer the question at the end. x + 4x- 21 =0 x+ Bx- 20=0 What are the values of : What are the values of : 1. a 2. bm 3. c 1. am 2. b= 3. c%= Using any method, what are the roots? 1. X = 2. 1, = Using any method, what are the roots? 1. x = 2. X = Perform the indicated operation. 1. x + x2 = 2. x X2 =- Perform the indicated operation. 1. x, + x2 = 2. x X2 = 1. What do you observe about the sum and product of the roots in relation to the values of a, b, and c? Question: 3 Edit More :
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