like terms - terms that have the same variable or combination of variables and powers that can be combined to form one; similar variables; 13x2+5x=-2x+41x2→54x2+3x, y- intercept - the starting point on a graph; initial point; (0,3), (0,69), perfect square trinomial - an expression obtained from the square of a bionomical equation; (6x+3)2= 36x2+24x+4, solution set - set of ordered pairs that make an equation true; {(0,2), (6,8), (5,2)}; y≤2 , dialation - the shape, line or parabola enlarges or reduces; y= (4x-6)2+5→ enlargement; y=(1/4x)2+3→ reduction, no solution - no answer to the equation or doesn't contain any X values on the parabola; ø, axis of symmetry - a vertical line that divides the parabola into 2 equal pieces, always passes through X-axis; X=2 , translation - for functions: makes the line or parabola move up or down, right or left, from the original function; y=(6/8x+2)2-8→moves left 2, down 8, quadratic function - use function to find attributes of parabola, y=ax2+bx+c, quadratic equation - used to find the solutions or zeros of the equation and/or graph, ax2+bx+c=0, ,

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