irrational number - a real number that can be written as a nonrepeating or nonterminating decimal, decimal goes on forever, real number - all rational and irrational numbers, square root - a number that produces a specific quantity when multiplied times itself, radical symbol - square root symbol, slope - rate of change, steepness of a line, rise over run, direct variation/varies directly - proportional relationship, function - x cannot repeat, vertical line test, slope intercept form - y = mx + b, non proportional - does not pass through the origin, congruent - same size, same shape, dilation - enlargement or reduction of a figure, transformation - changing a figure by flipping, sliding, turning or enlarging/reducing, translation - (x - 2, y + 4) , 90° clockwise rotation - (y, -x), reflection across the y axis - (-x, y), hypotenuse - the longest side of a right triangle, across from the right angle, Pythagorean Theorem - a2 + b2 = c2, legs of a right triangle - the two sides that form the right angle of a right triangle, scatterplot - points plotted on a graph to show the relationship between two variables, correlation - association, relationship; can be positive, negative or no correlation,

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