Across
- 3. replacing a variable in an expression or equation with a specific value or another expression
- 5. an equation in 2 variables whose graphs in a coordinate plane is a straight line
- 6. pair
- 8. the point on a graph where a line or curve crosses the x-axis
- 9. a fundamental technique used to visually represent and analyze mathematical relationship
- 10. a set of simultaneous equations
Down
- 1. the value (or set of values) assigned to variables in an equation that makes the equation true when substitute
- 2. the point or points where two geometric objects, like lines or curves, meet or cross each other
- 4. the place where a line or curve crosses, or touches, the y-axi
- 7. eliminate any one of the variables by using basic arithmetic operations and then simplify the equation to find the value of the other variable