Across
- 3. plot or trace on a graph
- 5. roughly calculate or judge the value, number, or quantity
- 8. the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulas and equations
- 10. the process of adding a number to itself a certain number of times
- 12. a method of distributing a group of things into equal parts
- 13. a linear equation written in the form y= mx+b, where m represents slope and b represents the y intercept.
- 16. is a sentence with a minimum of two numbers and at least one math operation in it
- 17. Parallel lines on a graph indicates the equation has _________
- 18. a method of solving a system in which two equations are added together in a manner that will eliminate one of the two variables.
- 19. the rate at which the y value of a linear function rises or falls as x increases
Down
- 1. a symbol standing in for an unknown numerical value in an equation
- 2. an equation that when graphed will form a line
- 4. the process or skill of taking one number or amount away from another
- 6. a method for solving a system of linear equations in which the equivalent expression of a variable is substituted for that variable into the other equations
- 7. the number that is multiplied by the variable
- 9. Finding the total, or sum, by combining two or more numbers
- 11. a point where 2 or more lines intersect
- 13. two or more equations that share variables
- 14. Two lines that are co-planar and never intersect
- 15. the point of intersection for a system of equations a statement that the values of two mathematical expressions are equal (indicated by the sign =)