Marks: / 10 |C Multiple Choice [Communications 10 marks--2 marks each] Identify the choice that best completes the statement or answers the question. Use only Capital Letters. 1. What is the y-intercept of the quadratic relation ) = x - 8x + 12? A 12 B 6 C D 2. Which relation, in the form of ) = ax? + bx + C, has @ = 0.5 and a vertex at (4, 5)? A y - 0.5(x2 + 8x+ 26) C y = 0.5(x2 + 8x- 26) B y = 0.5(x2 - 8x - 26) D y = 0.5(x2 - 8x + 26) 3. Which quadratic relation has a y-intercept of 8? A y - 0.5(x] - 2x + 16) C y = 0.5(x+ 2)(x+4) B y = 0.5(x2 - 2x - 16) D y = 0.5(x - 2)(x + 8) Which equation is the standard form of the relation ) = 2(x - 3)+4? A y = 2x3 - 12x+ 18 C y= x2 - 6x + 11 B y= 2x2 - 12x + 22 D y= x3 - 6x + 9 5. Which equation is the standard form of the relation ) = (x+4) -19 A y= x' + 15 C y= x2 + 8x+ 16 By = x' + 8x- 1 D y- x3 + & +15