Across
- 6. a number that consists of a whole and a fractional part
- 7. only one solution
- 8. keeping the "like term" and adding or subtracting the numerical coefficients.
- 10. an assignment of values to the unknown variables that makes the equality in the equation true
- 11. An infinite solution has both sides equal
- 14. the point at which the income from sale of a product or service equals the invested costs, resulting in neither profit nor loss
- 15. a set of two numbers that when added together equal zero
- 18. distribute the negative to all of the terms in the parentheses
- 21. commutative property, associative property, distributive property and identity
- 22. A real number that can NOT be made by dividing two integers
- 23. the values on which mathematical operations occur in an algebraic expression.
- 24. when a factor is multiplied by the sum/addition of two terms, it is essential to multiply each of the two numbers by the factor, and finally perform the addition operation
- 25. this term includes both rational and irational numbers
Down
- 1. represent the parts of a whole or collection of objects
- 2. a number without fractions; an integer.
- 3. the inverse of a value or a number
- 4. a part of the number system which includes all the positive integers from 1 till infinity and are also used for counting purpose
- 5. a sentence with a minimum of two numbers or variables and at least one math operation
- 9. A number that can be made as a fraction of two integers
- 12. the operation that undoes what was done by the previous operation
- 13. there is no value for the variable that makes the equation true
- 16. reducing the expression/fraction/problem in a simpler form
- 17. a number that is not a fraction; a whole number.
- 19. the relationship between two values that are not equal
- 20. mathematical statement that shows that two mathematical expressions are equal