1) Which graph shows the function  y=(x+2)(x-1) ? a) b) c) d) 2) Which graph shows the function y=(x-3)(x+4) ? a) b) c) d) 3) This graph represents which function? a) y = -2x2 + 6x - 12 b) y = -x2 - 6x + 12 c) y = 2x2 + 4x - 8 d) y = x2 + 4x - 12 4) This graph represents which function? a) y = -x2 + 6x - 12 b) y = x2 - 9x + 18 c) y = -x2 + 9x - 18 d) y = x2 - 6x - 18 5) Which function is an equivalent expression of y=2(x+1)(x-4) a) y = 2x2 - 6x - 8 b) y = 2x - 3x - 4 c) y = x2 - 3x - 3 d) y = 4x2 - 4x - 4 6) The graph represents which function? a) y = 2x2 - 6x - 7 b) y = (x-2)(x-3) c) y = 2x2 - 10x - 12 d) y = (2x-4)(x-3) 7) Which graph represents the function y = -x2 + 4x - 8 ? a) b) c) d) 8) What is the x-coordinate of the vertex of y = 2x2 - 4x + 6 a) 1 b) -1 c) 2 d) -2 e) 1/2 f) -1/2 9) What are the two x-intercepts of y = (3x-6)(x+5) ? a) (3,0) and (5,0) b) (2,0) and (-5,0) c) (1/3,0) and (-5,0) d) (2/3,0) and (5,0) 10) What is the y-intercept of y = (x-4)(x+5) a) (0,9) b) (0,1) c) (0,-1) d) (0,-20) 11) Which function has an axis of symmetry at the vertical line x=3? a) y = -x2 + 6x - 14 b) y = x2 - 5x + 6 c) y = x2 + 6x + 17 d) y = (x-5)(x+3) 12) The graph represents which function? a) y = (3x - 2)(x + 4) b) y = (x - 3)(x + 1/2) c) y = (3x - 1)(x + 2) d) y = x2 - 5x + 10

Graphing Quadratics Practice

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