Systems by Graphing Practice

These two lines intersect at _____.

• (4, -2)

• (4, 2)

• (-2, 4) 

• No solution

Solve by graphing.
y = 2x + 1
y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

The solution (x, y) to a system of equations is the point where they...? 

• Run off the graph

• Don't touch

• Intersect

• Exist

A system of equations with infinitely many solutions will have lines that...

• are the same

• are parallel and never touch

• cross in one place

If a system of equations has no solution, what does the graph look like? 

• intersecting lines

• parallel lines

• skew lines

• intersecting lines

Solve the system given:
3x - y = 7
2x + y = 3

• (-1,2)

• (5,4)

• (4,5)

• (2,-1)

Give the solution to the system.

• (3,1)

• (1,3)

• (-1,3)

• No solution

If 3x - 2y = 14 and 2x + 2y = 6,
what are x and y?

• x = 1, y = 2

• x = 2, y = 1

• x = -4, y = 1

• x = 4, y = -1

Solve the system by graphing:
y = 6x - 4
y = -x + 3

• (1, 2)

• (2, 1)

• (4, 5)

• (2, 4)

Solve the following system by graphing.  What is the solution?

• (-4, 2)

• (4, 2)

• (2, -4)

• (2, 4)