Semester 2 Exam Notes

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Across
  1. 4. Plane: A two-dimensional surface defined by a horizontal axis (x-axis) and a vertical axis (y-axis).
  2. 5. or Minus: Indicates two possible values, one positive and one negative.
  3. 6. A technique for solving systems of equations by adding or subtracting equations to eliminate a variable.
  4. 8. A compound statement formed by connecting two statements with "or," true if at least one statement is true.
  5. 10. The inverse of a number, such that the product of a number and its reciprocal is one.
  6. 13. To mark points on a coordinate plane to represent data or solutions.
  7. 17. An ordered pair that defines the position of a point on a coordinate plane, typically (x, y).
  8. 18. The result of multiplying numbers or expressions together.
  9. 21. Solution: A system of equations with exactly one pair of values that satisfies all equations.
  10. 25. Solutions: A system of equations where any value of the variables satisfies all equations.
  11. 26. of Linear Equations: A set of two or more linear equations with the same variables, which can be solved simultaneously.
  12. 28. Form: Expressing a polynomial as a product of its factors.
  13. 31. A mathematical statement indicating that two expressions are not equal, using symbols like >, <, ≥, or ≤.
  14. 32. Cube: A number that is the cube of an integer.
  15. 35. A number indicating how many times a base is multiplied by itself.
  16. 36. The number or expression inside the radical sign.
  17. 37. A combination of numbers, variables, and operations without an equality sign.
Down
  1. 1. The number that is raised to a power by an exponent.
  2. 2. To find the value of a variable that makes an equation or inequality true.
  3. 3. A method of solving systems of equations where one variable is replaced with an equivalent expression.
  4. 7. Root: A value that, when multiplied by itself, gives the original number.
  5. 9. A compound statement formed by connecting two statements with "and," true only when both statements are true.
  6. 11. Like Terms: Simplifying an expression by merging terms with the same variables and exponents.
  7. 12. The result of dividing one number or expression by another.
  8. 14. Square: A number that is the square of an integer.
  9. 15. A straight one-dimensional figure with no thickness and extends infinitely in both directions.
  10. 16. Form: A linear equation format y = mx + b, where m is the slope and b is the y-intercept.
  11. 19. A binomial formed by changing the sign between two terms, often used to rationalize denominators.
  12. 20. Operations: Operations that undo each other, such as addition and subtraction, or multiplication and division.
  13. 22. Pair: A pair of numbers (x, y) used to represent the position of a point on a coordinate plane.
  14. 23. of Two Squares: A binomial of the form (a^2 - b^2), which can be factored into (a+b)(a-b).
  15. 24. The act of plotting points or lines on a coordinate plane to represent algebraic equations or inequalities.
  16. 27. A measure of the steepness of a line, calculated as the ratio of vertical change to horizontal change.
  17. 29. A symbol, often a letter, representing an unknown value in mathematical expressions or equations.
  18. 30. A number or expression that divides another number or expression evenly.
  19. 33. The small number outside the radical sign indicating the degree of the root.
  20. 34. A single mathematical expression, which can be a constant, a variable, or a combination of both.