Systems of Equations by Graphing and Substiution

These two lines intersect at _____.

• (4, -2)
• (4, 2)
• (-2, 4) 
• No solution

y = 2x + 1

2x + 2y = 20

• x = 2

• x =1

• x = 3

• x = 4

- 3x + y = -8
  x + y  = 4

• (3, 1)
• (1, 3)
• (3, -1)
• (-3, 1)

Solve the system by substitution. 
-5x - 4y = -9
y = 6

• (3, 6)
• (6, -3)
• (-3, 6)
• (6.8, 3)

What is the solution to the system?

• (3, -1)
• (2, -6)
• No Solution 
• (6, -2)

Solve the system of equations using substitution:
y = 2x + 5
2x + 2y = 4

• (1, 7)
• (7, 1)
• (2, 9)
• (-1, 3)

What is the solution?

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

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Solve for x and y
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

y = 3x - 2

2x + 3y = 38

• x = 2

• x = 4

• x = 3

• x = 1