Solving Systems by Graphing and Elimination Review

Front

4x + 8y = 20
-4x + 2y = -30
Which variable will be eliminated?

Back

The x

Front

Solve by elimination:
4x+9y=28
-4x-y=-28

Back

(7,0)

Front

Solve by elimination
4x-6y= -6
-2x-12y= -12

Back

(0,1) 

Front

Solve the system by multiplication.
3x + 2y = 16
7x + y = 19

Back

(2,5)

Front

What does the graph look like if a system of equations has no solution?

Back

parallel lines

Front

Back

Infinitely Many Solutions

Front

If a system of linear equations has one solution, what does this mean about the two lines? Options: Parallel lines, the same line, Intersecting lines

Back

Intersecting lines

Front

Back

Front

Buzz graphed two lines to find the solution to a system of equations. Options: (-1, 4), (1, -4), (-4, 1), (4, -1)

Back

(1, -4)

Front

Solution to the system: Options: (0, 3), (1, -1), (-3, 1), (1, 3)

Back

(1, 3)