System of Equations Inspection

Solve for x and y ( use graphing or substitution)
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

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

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions

What is the solution?

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

Solve this system of equations ( Use the substitution method)
2x+y=9
y=5x+2

• (1,7)
• (2,5)
• (-1,-3)
• (5,-1)

Solve this system of equations (Use the substitution method)
y=3x-2
y-3x=4

• (1,1)
• (-2,4)
• They are the same line
• They never cross (no solution)

Solve this system of equations(Use graphing or substitution method)
y=8x-5
y=2x+19

• (1,3)
• (2.4, 23.8)
• (2.5,15)
• (4,27)

Solve this system of equations (substitution might be the best tool)
2x+y=27
y=-11x

• (2, -22)
• (-2, 22)
• (3, -33)
• (-3, 33)

Solve this system(Use the elimination method)
3x+5y=10
2x-5y=25

• (-3,3.8)
• (7,-2.2)
• (7,6.2)
• (-3,3)

Steffen graphed two lines in order to find the solution to a given system of equations.
What is the solution?

• (-3,-8)
• (-8,-3)
• (3,-8)
• (8,3)