Chapter 4 Test Review

In the solution for a system of equations, what does the first number stand for in a coordinate? What does the second number stand for?

• The first number is the x-value, the second number is the y-value

• The first number is the y-value, the second number is the x-value

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

When does a system of equation have infinite solutions?

• When the lines are parallel.

• When the lines overlap.

• When the lines curve.

• When the lines have one intersection.

When does a system of equations have only one solution?

• When the lines are parallel.

• When the lines overlap.

• When the lines curve.

• When the lines have one intersection.

What is the solution to the following system of equation?

 $-7x-2y=-13$  
 $x-2y=11$  

• (3,-4)

• (-4,3)

• (2,-5)

• (-5,2)

What is the x solution to the following system of equations?

 $2x+y=20$  

 $6x-5y=12$  

• 2

• 8

• 7

• 6

Describe the solution of the following system of equations.

 $2x+5y=24$  

 $-3x+y=-2$  

• Parallel Lines

• They are the same line

• Lines Intersecting at One Point

What is the y solution to the following system of equations?

 $-3x-4y=2$  

 $3x+3y=-3$  

• 5

• 1

• -9

• -2

Based on the following graph, what is the solution to the following system of equations?

• (1,2)

• (2,-3)

• (3,-2)

• (0,5)

Based on the following graph, what is the solution to the following system of equations?

• (4,-3)

• (2,4)

• (3,-2)

• (1,4)