Chapter One Vocab

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Across
  1. 2. A term that does not contain a variable.
  2. 4. expressions A mathematical expression that has a combination of numbers and at least one operation. 4 + 2 x 3 is a numerical expression.
  3. 5. sequence A numerical pattern that increases or decreases at a constant rate or value. The difference between successive terms of the sequence is constant. Example: 2, 5, 8, 11, 14…
  4. 9. A replacement value for the variable in an open sentence. A value for the variable that makes an equation true.
  5. 10. expressions Expressions that have the same value or that have the same mathematical meaning for all replacement values of their variables.
  6. 12. form Numbers written without exponents.
  7. 13. sequence A sequence in which each termafter the nonzero first term id found by multiplying the previous term by a constant
  8. 15. A mathematical language that uses symbols, usually letters that stand for unknowns, along with numbersalgebraic expression- An expression consisting of one or more numbers and variables along with one or more arithmetic operations.
  9. 16. form Number written with exponents
  10. 17. of an expression In an expression of the form Xn, the base is x
  11. 18. A mathematical sentence stating that two expressions are equal.
  12. 20. of a number The product of a number and itself.
  13. 21. A statement that is true for any numbers or variables.
  14. 24. A set of numbers in a specific order.
  15. 25. An expression of the form xn, read x to the nth power. Example: 74 is 7 raised to the fourth power, or 7 x 7 x 7 x 7.
Down
  1. 1. notation A system of writing numbers using multiplication and powers of ten. A number of the form a x 10n, where 1 < a < 10 and n is an integer.
  2. 3. in an expression A number, a variable, or a product or quotient of numbers and variables.
  3. 6. The numerical factor of a term.
  4. 7. an equation The process of finding all values of the variable that make an equation a true statement.
  5. 8. the variable Choosing a variable to represent an unknown value in a problem, and using it to write an expression or equation to solve the problem.
  6. 11. A letter or other symbol used to represent an unspecified number or value.
  7. 14. Find the value of an expression.
  8. 18. A number that indicates how many times a number or expression is to be multiplied by itself. Example: In the expression 53, the exponent is 3.
  9. 19. of a number The product in which a number is a factor three times. Example: The cube of 2, or 2 cubed, is 8 because 2 x 2 x 2 = 8
  10. 22. or operations Evaluate expressions inside grouping symbols.Evaluate all powers.Do all multiplications and/or divisions from left to right. Do all additions and/or subtractions from left to right.
  11. 23. In an algebraic or numerical expression, the quantities being multiplied are called factors. Example: 3 and 11 are factors of 33