Semester Exam Review: Systems of Equations

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

• intersecting lines

• parallel lines

• skew lines

• one line

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

• intersecting lines

• parallel lines

• skew lines

• One line

How many solutions does this system have?

• One Solution

• No solution

• Infinitely Many Solutions

• Two Solutions

This system has _____ solutions

• no

• 1

• 2

• Infinitely many

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

What is the solution?

• (2, 2)
• (3, 2)
• (3, 4)
• (2, 3)

What is the solution to this system?

• (-2, -2)
• (2, -2)
• (-2,2)
• (2, 2)

-4x-2y=-12
4x+8y=-24

• (5,6)
• (6,-6)
• (6,-2)
• (4,-3)

4x+8y=20
-4x+2y=-30

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-1)

Solve the system:

x + 6y = 17

x = 3y+8

• (5, 2)

• (11, 1)

• (1, 11)

• no solution