Points of Concurrency CG5 Day 2

• 1
• 2
• 4.67
• 12

• 0.5
• 0.67
• 1.5
• 2

Tags

CCSS.7.EE.B.4A

• 1/3
• 2/3
• 1
• 2

Tags

CCSS.8.EE.C.7B

Find the Error
What error did the student make when solving the equation:
1/5x + 6 = 3/5x + 5
1x + 6 = 3x + 5
-2x + 6 = 5
-2x = -1
x = 1/2

• The student found an incorrect common denominator
• The student did not multiply all terms by the common denominator
• The student did not use opposite operations appropriately
• The student did not correctly eliminate the variable from one side of the equation

• 1/7
• 47/36
• 7
• 23

Tags

CCSS.7.EE.B.4A

• 30
• 43
• 46
• 54

Solve the system shown

• (-2,2)

• (2, -2)

• (2, -3)

• (-10/3, 11/3)