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N.S. = Number Sense; P6/P7 = Statistics, Data Analysis, Probability; A.F. = Algebra & Functions; M.G. = Measurement & Geo; A1 = Algebra 1; M.R. = Mathematical Reasoning CAHSEE (Math) Vocabulary Terms 1. Expression (AF 1.1, 1.2) A mathematical phrase involving constraints, variables, and operation symbols; 2 Example: 6a 8 2. Variable (AF 1.1, 1.2) A letter in an expression or equation that represents a quantity; Example: in the expression 6 xy 2 xy , the numbers 6 and 2 are constants and x, y are variables 3. Order of Operations (AF 1.1, 1.2, 4.1) Rules telling in what order to do operations: parentheses, exponents, multiply, divide, add, subtract 4. Exponent (AF, 2.1; A1 2.0) A number that indicates how many times the base is used as a factor 5. Base (AF 2.1) The number or variable that is raised to a power exp onent n 2 Example: base 6. Reciprocals (NS 1.2; AF 2.1; A1 2.0) Two numbers that have a product of 1 7. Monomial (AF 2.2; A1 10.0) A polynomial in one term, consisting of a number, variable, or a product of a number and one or more variables. 8. Function (AF 1.5) A correspondence in which the values of one variable determine the values of another 9. Linear Function (AF 1.5) Any function whose graph is a straight line 10. Slope of a line (AF 3.3, 3.4) The ratio of the change in y-coordinates to the change in x-coordinates. 11. Inequality (AF 1.1, 4.1; A1 3.0) A relationship between two quantities in which one is strictly less than or less than or equal to the other 12. Direct Variation (AF 4.2) An equation in the form of y kx , where k is a nonzero constant 13. Numerator (NS 1.2) The part of the fraction that is above the fraction bar 14. Denominator (NS 1.2) The part of the fraction that is below the fraction bar 15. Area (MG 2.1) The measure, in square units, of the interior region of a two-dimensional figure or surface of a three-dimensional figure 16. Circumference (MG 2.1) The length of the perimeter of a circle 17. Compound Interest (NS 1.3, 1.7) Interest that is paid on the principal and on previously earned interest Note: All “Examples” are for instructional purposes, and not intended to be on the test. 1 N.S. = Number Sense; P6/P7 = Statistics, Data Analysis, Probability; A.F. = Algebra & Functions; M.G. = Measurement & Geo; A1 = Algebra 1; M.R. = Mathematical Reasoning 18. Congruent angles (MG 3.4) Angles that have the same measure 19. Conjecture (MR 1.1) An educated guess 20. Coordinate Plan (MG 3.2) A system formed by two perpendicular real number lines 21. Correlation (P7 1.2) A way of measuring how closely related two sets of paired data are to one another; the correlation may be possivtive, negative, or none 22. Deductive Reasoning (MR 2.4) Drawing conclutions by reasoning logically from known facts 23. Diameter (MG 2.1) A line segment that has both endpoints on the circle and passes through the middle of the circle 24. Dimensional Analysis (MG 1.3) The method of manipulating unit measures algebraically to determine the proper units for a quantity computed algebraically 25. Dividend (NS 1.2) The number that is divided by another number 35 Example: in the expression , 35 is the dividend 5 26. Divisor (NS 1.2) The number that is divided into another number 35 Example: in the expression , 5 is the divisor 5 27. Estimate (MR 2.1, 2.3) To make an approximate calculation, or to find a number close to the exact amount 28. Hypotenuse (MG 3.3) The side of the right triangle opposite the right angle 29. Image (MG 3.2) The figure after a transformation 30. Inductive Reasoning (MR 2.5) Drawing conclusions based on observations 31. Integers (NS 2.5) The set consisting of the positive and negative whole numbers and zero 32. Median (P6 1.1) The quantity designating the middle value in a set of numbers when arranged from least to greatest 33. Additive Inverse (NS 2.5, A1 2.0) Two numbers that are the same distance from zero on the number line but in opposite directions ( 4 and 4 are opposites); two numbers whose sum is zero 34. Outcome (P6 3.3) The result of a single trial such as one flip of the coin 35. Pi ( ) (MG 2.1) 22 The ratio of the circumference of a circle to its diameter; approximately equal to 3.14 or 7 Note: All “Examples” are for instructional purposes, and not intended to be on the test. 2 N.S. = Number Sense; P6/P7 = Statistics, Data Analysis, Probability; A.F. = Algebra & Functions; M.G. = Measurement & Geo; A1 = Algebra 1; M.R. = Mathematical Reasoning 36. Polynomial (A1 10.0) A sum and/or difference of monomials Example: x 2 4 xy 16 37. Probability (P6 3.3) The likelihood that something will happen, expressed as a number from 0 to 1, can be written as a fraction, as a decimal or as a percentage 38. Quotient (NS 1.2) The result of the division of one quantity by another 35 7 , 7 is the quotient Example: in the equation 5 39. Radius (MG 2.1) A line segment from the center of a circle to a point on the circle 40. Reciprocals (NS 1.2, AF 2.1, A1 2.0) Two numbers that have a product of 1 1 Example: and 5 are reciprocals 5 41. Reflection (MG 3.2) A transformation that creates a mirror image of a figure on the opposite side of a line known as the line of reflection (flip) 42. Scale Factor (MG 1.2) The ratio of the lengths of corresponding sides of similar figures 43. Square Root (NS 2.4) The square roots of n are all the numbers m so that m 2 n 44. Term (A1 4.0, 5.0) A number, a variable, or a product or quotient of terms and variables 1 Examples: 2 x, x, x 2 2 45. Translation (MG 3.2) A transformation that moves a figure a given distance in a given direction (slide) 46. Whole Numbers (NS 2.5) Any of the numbers 0, 1, 2, 3,... 47. x -intercept (A1 6.0) The x -coordinate of the point where the line crosses the x -axis 48. y -intercept (A1 6.0) The y -coordinate of the point where the line crosses the y -axis 49. Scientific Notation (NS 1.1) A number expressed by a decimal between 1 and 10 multiplied by a power of 10 50. Prism (MG 2.1, 2.3) A three dimensional figure made up of two bases that are both parallel and congruent, and other faces that are parallelograms Note: All “Examples” are for instructional purposes, and not intended to be on the test. 3