Systems of equations

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

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions
• (0, -1.5)

Tags

CCSS.8.EE.C.8B

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

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

Tags

CCSS.8.EE.C.8A

7x - 2y = 6
x - 2y = -6

• (2,4)
• (3,-2)
• (1,2)
• (-2,-4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

x + y = 3
3x - y = 1

• (2,1)
• (-1,2)
• (1,2)
• (-2,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

x - 2y = 4
2x -y = -1

• (-2,-3)
• (-3,-2)
• (2,3)
• (3,2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8A

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

Tags

CCSS.8.EE.C.8A

Parallel Lines never intersect because...

• they have the same slopes. 
• they have the same y-intercept.
• they have different slopes.
• they have different y-intercepts. 

Tags

CCSS.HSF-IF.C.7A

Does the system have one, none or infinite solutions?
8x + 4y = 12
y = -2x + 3

• (0,3)
• (3,0)
• No solution(parallel lines)
• Infinitely many solutions

Tags

CCSS.8.EE.C.8B