1) 1. What is the vertex of the function ? f(x)= (x−4)2 + 7  a) A. (4, 7) b) (4, –7) c) (–4, 7) d) (7, 4) 2) 2.What is the direction of the graph?  f(x)= -3(x-1)2 -2 a) Opens downward b) Opens sideways c) Opens upward d) No direction 3) 2. In the vertex form f(x) = a(x-h)2+ k . What does h represent? a) The y-intercept b) The slope of the parabola c) The axis of symmetry d) The x-coordinate of the vertex 4) What is the axis of symmetry of f(x)= 3(x + 4 ) - 1? a) y = -4 b) x= -4 c) y = 1 d) x=4 5) Which value tells the parabola to move UP? a) h b) k c) x d) a 6) Convert to vertex form: f(x) = x2  + 8x + 12 a) (x + 2)2 + 2 b) (x + 4)2 - 4 c) (x + 2)2 - 2 d) (x - 4)2 - 4 7) convert to vertex form: 3x2 + 12 + 11 a) 3(x + 2)2 - 1 b) (x + 2)2 + 11 c) 3(x + 2)2 + 1 d) 3(x - 2)2 - 11 8) Convert : 4x2+16x+20 a) 4(x - 2)2 + 4 b) (x + 2) 2 + 20 c) 4(x + 2)2 + 4 d) (x - 2) 2 - 20 9) What is the vertex of f(x) = - 3/2(x + 1)2+ 4? a) (–1, 4) b) ( 1, 4) c) (4, 1) d) (-1, - 4) 10) Which choice is the vertex form? a) f(x) = a(x-h) + k b) f(x) = ax2 + bx + c c) f(x) = a(x-h)2 + k d) f(x) = F.s. cos a

QUADRATIC FUNCTION: VERTEX FORM

인쇄
퍼가기

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?