Vocabulary Presentation Aaron Welch Slope The ratio of rise to run Ex. Solution A variable that makes the equation true. Ex. 1+x=2 1+1=2 Variable Letter used to represent a number. Ex. X or Y Term Could be a number or a variable. Ex. Output The value that comes out of a formula or equation. Ex. Parabola The graph shape of a quadratic function. Ex. Parallel Lines Lines that have the same slope Ex. Parent Function The most basic function in a family of functions. Ex. Perpendicular Lines Lines that intersect at 90 degrees Ex. Point Located is space that has no dimensions. Ex. Equation A mathematical sentence formed by placing an equal sign between two expressions. Ex. Power An expression using a base and exponent Ex. Range The difference between the highest and the lowest value Ex. Rational Number A number that can be written as a fraction Ex. 1,2,3,4,5,6,7,8,9,10, Or 1 = 1/1 or 1/4 = 0.25 Irrational number A number that doesn’t repeat or end. Ex. Pi 3.14159265359 Reciprocal Two numbers whose product equals one. Ex. System of Equations Two or more equations that have two or more variables. Ex. Vertex of Parabola Maximum or minimum point of a parabola. Ex. Line A straight path the goes on forever in both directions. Ex. <------------------------------------------------------------> Numeric Data Data that can be measured in numbers. Ex. I have 100 dollars or there are 10 ducks