Across
- 8. A branch of mathematics that substitutes variables for numbers.
- 9. The inverse operation of subtraction.
- 10. The inverse operation of multiplication.
- 11. The inverse operation of addition.
- 12. An equation which states that two ratios are equal.
Down
- 1. A constant that multiplies a variable.
- 2. A symbol for an unknown value.
- 3. The inverse operation of division.
- 4. The value of a variable that makes an equation true.
- 5. A number, a variable, or a product of numbers and variables.
- 6. A value that does not change.
- 7. A mathematical sentence stating two expressions are equal.