Solving Systems by Substitution Quiz #1

Solve:
y = -1x - 5
4x - 8y = 4

• (-3, -2)
• (5, -7)
• (3, 9)
• (-5, 4)

What is the solution to this system?
x= 7 - 2y
2x + y = 5

• (-1,4)
• (4,-1)
• (1,3)
• (3,1)

Solve:
y=8x+1
y=6x+3

• (1, 9)
• (4, 14)
• (0, 1)
• (2, 4)

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Solve the following systems of equations using substitution:

y = 8

y = -4x + 4

• (8, -1)

• (-28, 8)

• (-1, 8)

• (8, -28)

How many solutions does the graph have?

• One solution

• No solution

• Infinite solutions

• (1,-1)

• Infinitely many solutions

• (3,4)

• No solution

• Infinitely many solutions

• (3,-7)
  

• (5,9)

• No solution

x + 2y = 2
x = -4y + 2

• (-3, 0)
• (0, 2)
• (-3, -2)
• (2, 0)

How many solutions will this system have? 

• No solution
• One Solution
• I Don't Know
• Infinitely Many Solutions