(SOL A.4d) RETAKE : Systems of equations

Solve the following system
2x - 3y = -6
-2x - 2y = 26

• (-9,-4)
• (9,4)
• (4,9)
• (-4,-9)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5x - 4y = =-16
x+ 2y = -6

• (-4,-1)
• (5,-1)
• (-5,-1)
• (4,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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

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

Solve:

y = -7x + 9

2y + 2x = -18

• (5, 0)
• (9, 18)
• (3, -12)

• (1, 16)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6