Solving systems of linear equations with substitution

What is the solution to the system?

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)

How many solutions will this system have?

• No solution

• One Solution

• Infinitely Many Solutions

Solve the system:

y - 3x= -13

x = -2y +2

• (4,1)

• (4, -1)

• (-4, -1)

• (-1, 4)

• (-4, 1)

What is the solution to the system of equations?

• One Solution

• No solution

• Infinitely Many Solutions

6x + y = -1

y = -3x - 4

• (-7, 1)

• (1, 7)

• (-3, 1)

• (1, -7)

• (1,-3)

3x + y = 1
y = 4x + 1

• (0, -1)
• No Solution
• (0, 8)
• (0, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

y = 2x -11

-3y +6x= -15

• (-1.5,-4)

• (1.5,4)

• No solution (parallel lines)

• Infinitely many solutions

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

• Intersecting lines
• Same line
• Parallel lines

Tags

CCSS.8.EE.C.8A

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

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

Tags

CCSS.8.EE.C.8A

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

• 4 = 7

• 2 = 2

• -3 = 3

• all of the above

Tags

CCSS.8.EE.C.8B