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1. Which of the given quadratic equations in one variable (where: a, b & c ER) is in standard form? A. at? + bt +c = 0 B. c- bx - ax² = 0 C.c + bm + am? = 0 D. bn + an? +c = 0 2. Which is/are quadratic among the following equations? II. e? + 4e = 0 II. e + 4e +3 0 C. I, II 1. e? =9 D. all of the above А. II B. II E. Which is the quadratic formula used in solving a quadratic equation in x-variable? -bt b? -4ac btb? +4ac -b±vb? + 4ac C. x= D. btyb -4ac B. x= A. x= 2a 2a 2a 2a 3Y = 27 when using the Quadratic

1. Which of the given quadratic equations in one variable (where: a, b & c ER) is in standard form? A. at? + bt +c = 0 B. c- bx - ax² = 0 C.c + bm + am? = 0 D. bn + an? +c = 0 2. Which is/are quadratic among the following equations? II. e? + 4e = 0 II. e + 4e +3 0 C. I, II 1. e? =9 D. all of the above А. II B. II E. Which is the quadratic formula used in solving a quadratic equation in x-variable? -bt b? -4ac btb? +4ac -b±vb? + 4ac C. x= D. btyb -4ac B. x= A. x= 2a 2a 2a 2a 3Y = 27 when using the Quadratic

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.4: Graphs Of Quadratic Equations: The Discriminant
Problem 2CE
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Multiple Cholce. Direction: Read and analyze each item carefully. From the option given, choose the answer that is best described by the statement/question. 1. Which of the given quadratic equations in one variable (where: a, b & cER) is in standard form? A. at? + bt +c = 0 B. c- bx - ax² = 0 C. c + bm + am2 = 0 D. bn + an? +c = 0 2. Which is/are quadratic among the following equations? II. e2 + 4e = 0 III. e2 + 4e +3 = 0 C. I, II I. e? = 9 D. all of the above A. III B. II 3. Which is the quadratic formula used in solving a quadratic equation in x-variable? -btvb? -4ac btb? +4ac btb-4ac В. C. x=- D. A. 2a 2a 2a 2a 4. What are the values of a, b and c, respectively, in 2x2 + 3x = 27 when using the Quadratic Formula? С.-2, -3, 27 D. -2, -3, -27 А. 2,3, 27 В. 2, 3, -27 5. When the roots of a quadratic equation are equal and real, then what value does the discriminant have? D. less or greater than 0 A. less than 0 B. greater than 0 C. equals 0 6. When the quadratic equation has no real roots, the discriminant is of what value? A. less than 0 C. equals 0 D. less or greater than 0 B. greater than 0 7. What is the sum of the roots of x2 - 7x + 10 = 0? A. - 7 В.- 10 С.7 D. 10 8. In which quadratic equation is the product of the roots equal to -8? B. - x2-2x-8 0 A. x2- 2x + 8 = 0 C. x2 + 2x + 8 = 0 D. x2 + 2x-8 = 0 9. What is the least common denominator (LCD) of the left member expression on the given rational algebraic equation 1+ 1 9 ? x+1 20 В.х +1 С. 2х + 1 А. x(x +1) 10. Which statement is the quadratic inequality? A. x2 +9x + 15 0 B. x2 + 9x +15 20 D. x + 2 C. x3 + 9x + 15 > 0 D. 9x + 15 = 0 For Items 11 to 13: Given: x +3x +2 > 0 11. What are the factors of the quadratic inequality? A. (x-2) (x + 1) > 0 C. (x + 2)(x + 1) > 0
Transcribed Image Text:Multiple Cholce. Direction: Read and analyze each item carefully. From the option given, choose the answer that is best described by the statement/question. 1. Which of the given quadratic equations in one variable (where: a, b & cER) is in standard form? A. at? + bt +c = 0 B. c- bx - ax² = 0 C. c + bm + am2 = 0 D. bn + an? +c = 0 2. Which is/are quadratic among the following equations? II. e2 + 4e = 0 III. e2 + 4e +3 = 0 C. I, II I. e? = 9 D. all of the above A. III B. II 3. Which is the quadratic formula used in solving a quadratic equation in x-variable? -btvb? -4ac btb? +4ac btb-4ac В. C. x=- D. A. 2a 2a 2a 2a 4. What are the values of a, b and c, respectively, in 2x2 + 3x = 27 when using the Quadratic Formula? С.-2, -3, 27 D. -2, -3, -27 А. 2,3, 27 В. 2, 3, -27 5. When the roots of a quadratic equation are equal and real, then what value does the discriminant have? D. less or greater than 0 A. less than 0 B. greater than 0 C. equals 0 6. When the quadratic equation has no real roots, the discriminant is of what value? A. less than 0 C. equals 0 D. less or greater than 0 B. greater than 0 7. What is the sum of the roots of x2 - 7x + 10 = 0? A. - 7 В.- 10 С.7 D. 10 8. In which quadratic equation is the product of the roots equal to -8? B. - x2-2x-8 0 A. x2- 2x + 8 = 0 C. x2 + 2x + 8 = 0 D. x2 + 2x-8 = 0 9. What is the least common denominator (LCD) of the left member expression on the given rational algebraic equation 1+ 1 9 ? x+1 20 В.х +1 С. 2х + 1 А. x(x +1) 10. Which statement is the quadratic inequality? A. x2 +9x + 15 0 B. x2 + 9x +15 20 D. x + 2 C. x3 + 9x + 15 > 0 D. 9x + 15 = 0 For Items 11 to 13: Given: x +3x +2 > 0 11. What are the factors of the quadratic inequality? A. (x-2) (x + 1) > 0 C. (x + 2)(x + 1) > 0
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