Solving and Graphing Linear Equations in Two Variables (3



Solving and Graphing Linear Equations in Two Variables

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Across

4. Any equation that can be put in the form ax + bx = c where a, b, and c are real

numbers and both a and b are not both zero is called a _____ equation in two

variables.

5. When graphing straight lines, it is a good idea to find three points. This is a good

way to _____ the solution.

6. When the equation has one _____, the solution is a single number is has a fixed value

of the variable.

7. The process we use to obtain a visual picture of all solutions to an equation is called

_____.

8. There are _____ variables in the equation 2x + y = 3.

10. It is sometimes easier to list ordered pairs in a _____ format.

11. The form ax + by = c is called _____ form.

12. The equation x = -3 has a graph of a _____ line.

13. There is an _____ number of ordered pairs that are solutions to the equation

3x+y=12.

Down

1. The equation y=3x-1 is put in the _____ _____ form.

2. Rene _____ invented the Rectangular Coordinate System. This is why it is also

called the Cartesian Coordinate System.

3. For any number we want to use for x, there is another number we can use for y that

will make the equation a _____ statement.

9. If an ordered pair is a solution to an equation, it must _____ the equation.

Solving and Graphing Linear Equations in Two Variables-Answer Key

Across

4. Linear

5. Check

6. Variable

7. Graphing

8. Two

10. Table

11. Standard

12. Vertical

13. Infinite

Down

1. Slope-intercept

2. Descartes

3. True

9. Satisfy

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