Systems of Equations Graphing and Substitution

Solve:
y = 8x + 2
y = -x - 7

• (1, 10)
• (-1, -6)
• (2, 7)
• (9, 9)

Solve:
6x + 2y = -20
y = -2x - 4

• (-5, -14)
• (1, 6)
• (-6, 8)
• (2, -8)

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

If a system of linear equations has infinitely many solutions, what does this mean about the two lines? 

• Intersecting lines
• Same line
• Parallel lines

What is the solution to the system?

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

y = 3x - 2

2x + 3y = 38

• x = 2

• x = 4

• x = 3

• x = 1

Solve the following systems of equations using substitution:

2y + x = -15

x = 3y

• (-3, -9)

• (-9, -3)

• (-3, 9)

• (9, -3)

Solve the system of equations.

2x + 4y = -6

x = y -12

• (-9, 3)

• (-7 ,5)

• (3, 15)

• (9, 6)

When solving a system of equations algebraically, which statement results in infinite solutions?

• 4 = 7

• 2 = 2

• -3 = 3

• all of the above

The system's solution occurs at

• (1, 4)
• (4, 1)
• (-4, 1)
• No solution