Across
- 3. a part of the coordinate plane on one side of a boundary line the line that divides the coordinate plane into two half-planes
- 4. when a monomial is only a number
- 5. solving a system or two equations one by eliminating one variable in the system by adding or subtracting the equations
- 6. parts of a math expression
- 7. contains only numbers
- 11. a number variable or a product of a number and variables with whole number exponets
- 14. when a monomial is a number with a variable attached
- 17. The same variables raised to the same power regardless of their coefficients
- 18. a slope that rises
- 19. all positive and negative "counting" numbers and zero
- 20. real numbers that are not rational when writtien as a decimal these numbers do not end or repeat'
Down
- 1. any number that can be plotted on a number line
- 2. math phrase that combines numbers and or variables using math operation
- 8. any numbers that can be written as a fraction including repeating decimals
- 9. the x coordinate of the point where the graph intersects the y axis
- 10. all positive "counting" numbers
- 12. the y coordinate of the where where the graph intersects the y-axis
- 13. a slope that falls
- 15. measures the steepness and direction of a line
- 16. all positive "counting" numbers and zero