Across
- 4. in a plane that never intersect,no matter how far they are extended in either direction
- 5. numerical or constant factor that is multiplied by a variable in an expression or equation
- 8. point where a graph intersects the y-axis.it is the value of y when x is equal to zero(0,y)
- 9. lines that intersect at a right angle (90 degrees)
- 11. symbol or letter representing an unknown quantity
- 13. system of equations represent identical lines resulting in an unlimited number of solutions; the lines will have the same slope and y-intercept
- 14. two or more linear equations that are solved simultaneously to find the values of the variables that satisfy all the equations in the system
Down
- 1. to solve a system of equations by elimination one of the variables to obtain a new equation with only one variable
- 2. the system of equation intersect at a single point,resulting in exactly one ordered pair that satisfies all of the equations in the system;the lines will have different slopes
- 3. to solve a system of equations by graphing each equation on the coordinate plane and identifying the point(s) where the graphs intersect,if they intersect;Theses points of intersection represent the solutions to the system of equations
- 6. system of equations do not intersect at any point resulting in parallel line;there are no values that satisfy the system of equations; the lines will have the same slope but different y-intercepts
- 7. point where a graph intersects the X-axis.it is the value of x when y is equal to zero(x,0)
- 10. to find the solution(s) to a system of equations by solving one equation for one variable and then substituting that expression into the other equation(s)
- 12. system:the ordered pair that makes all of the equations in a system true