Practice Quiz: Linear Systems (Alg 2 for Seniors)

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)
• (5, 1)
• (1/4, 2)

• No Solution

Solve the linear system:

-x + y = -13

-8x - 4y = -8 

• (5, 8)
• (5, -8)
• (-5, -18)
• (-5, 8)

Determine if (4, 1) is a solution for the system of equations.
y = -x + 5
y = 2x - 7

• yes
• no

Solve the linear system:

y = 2/3x - 2

y = -x + 3

• (0,3)
• (0,-3)
• (3,0)
• (-3,0)

Solve the linear system:

3x + 2y = 16

7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

The coordinate point that satisfies BOTH equations in a linear system is called the _____________________.

• system of equations
• function
• graph
• solution 

Is (-2, -6) a solution for this system of equations?

y = 3x

y = 7x - 8

• Yes
• No
• Maybe

What is the Solution to this system?

• (2,-2)
• (0, 0)

• Infinite Solutions

• No Solution

If a system of equations has infinite solutions, what does the graph look like? 

• lines intersect

• parallel lines
• lines coincide