26. Which of the following values of x make the equation + x - 6true?%3DII. 2В. I and IIII. 3III. -3C. I and IIIA. I and IID. I, II and III27. If the sum and the product of the roots of a quadratic equation are-6 and 8 respectively, then the roots are:A. 4 and 2B. 4 and -2C. -4 and 2D. -4 and -23 in standard form ax? +28. What is the equivalent of 3x ( x – 4 )bx + с %3D 0?-A. - 12x + 3 = 0В. + 12х - 3 3D0 С. - 12х- 3%3D0 D. +12x + 3 = 029. What is the equivalent of +c = 0 ?A. + 6x+ 3 = 03 in standard form ax? + bx +В. + 6х - 2 3D 0С. - бх + 3 %3 0D.бх + 2 3 030. One of the roots of - 6x + 5 = 0 is 1. What is the other root?В. -4А. -5С. 4D. 531. What are the coordinates of the vertex of quadratic function f(x)= 5 (x+ 4 )2 ?A. ( -4, 0)В. (0, 4)С. (0, -4)D. ( 4, 0)32. What is the value of h in the quadratic function, f(x) = 2x² + 4x+ 3?А.2В. 1С. -1D. -233. What is the value of k in the quadratic function, f(x) = 3x2 +бх + 1?А.В. 1С.-1D. -234. What is the vertex form of the quadratic function f(x) = 2x² + 4x+ 3?A. f(x) = 2(x+1)² + 12(x+1)? - 1 D. f(x) = 2(x-1)² – 1В. f(x) %3D 2(х - 1)? + 1C. f(x )=35. Transform= 5 into quadratic equation in the form-a+bx+c = 0 ?A. + 10x - 4 = 0В. — 10х — 4 %3D0С. 3 - 10х + 4 3D 0 D.+10x + 4= 036. What is the GENERAL FORM of the quadratic function f(x) = 4(x + 1)2 – 2 ?A. f(x) = 4x? - 8x + 2В. f(x) — 4x? + 8х - 2С. f(x) — 4x? +8х + 2D. f(x) 3 4x? - 8х - 2 37. What is the axis of symmetry of the quadratic function f(x) = 3(х - 2)? + 2?А. 2В. 1С.ОD. -138. Which of the given function has the widest opening of theparabola?A. f(x) = 8x?В. f(x) — 7x?C. f(x) = 6x?D. f(x) = 5x?39. Which of the given function has the narrowest opening of theparabola?A. f(x) = 5x?В. f(x) — 4x?C. f(x) = 3x?D. f(x) = 2x?40. What is the vertex form of the quadratic a function if a = 3, h =-3, and k= 2 ?A. f(x) = 3(x- 3)² - 23(x+3)? - 241. What is the standard form of the quadratic function f(x) = ( x+ 1)²+ 1?А. f(x) — х? + 2х- 22х + 242. What is the vertex form of the quadratic a function if a= 2, h =-2, and k = 2 ?A. f(x)= 2(x- 2)² - 22(x+2) + 243. What is the opening of the parabola of the quadratic function f(x)3(x+1)? + 1 ?A. upwardВ. f(х) %3 3(х - 3)? +2C. f(x) =D. f(x)= 3(x+ 3)² + 2В. f(x) — х? + 2х + 2C. f(x) = x² -D. f(x) %3 х? - 2х — 2B. f(x)= 2(x - 2)² +2С. f(x)-D. f(x)= 2(x+ 2)² - 2B. downwardC. left sideD. right side44. What is the opening of the parabola of the quadratic function f(x)-2(x+1)? - 3 ?A. upwardB. downwardC. left sideD. right side45. What are the coordinates of the vertex of the quadratic functionf(x) = 3(x+1)² - 2 ?А. (-1, -2)В. (-1, 2)С. (1,-2)D. ( 1, 2)46. What are the coordinates of the vertex of the quadraticfunction f(x) = - 4(x - 2)² + 2 ?А. (-2, -2)В. (2, 2)С. (2, -2)D. (-2, 2)47. What is the sum and product of the roots of the equation 12x? + x- 6 = 0?В. ,C. - ,-D. - ,А.

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26. Which of the following values of x make the equation + x – 6 = 0 true? I. 3 A. I and II D. I, II and III III. -3 C. I and III II. 2 В. II and III