Chapter 2 Review (8DA)

Inductive reasoning goes from _ to _

• General to specific
• Specific to general

Deductive reasoning goes from _ to _

• General to specific
• Specific to general

What type of reasoning explains the next terms? 3, 9, 27, _

• Inductive
• Deductive

What's the next terms in the sequence? 3, 9, 27, _

• 81
• 36
• 243
• 49

Tags

CCSS.8.EE.A.1

What is a conjecture?

• An educated guess
• A prediction
• A conclusion reached from inductive reasoning
• A counterexample to a counterexample

Circle with 1 diameter has 2 parts, 2 diameters have 4 parts, 3 diameters have 6 parts. Make a conjecture about a circle with 5 diameters. 

• It will have 10 parts
• It will have 25 parts
• It will have 5 parts
• It will have 50 parts

Tags

CCSS.8.EE.B.5

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

How many counterexamples do you need to prove a conjecture false?

• 0
• 1
• 3 (the minimum for scientific proof)
• An equal amount to the number of conjectures 

Mark runs a mile in 6 mins. If your mile time is less than 8 mins, then you can be on the team. Mark is on the team. What type of reasoning is this? 

• Inductive reasoning
• Deductive reasoning

All speeders are ticketed. Jim is a speeder. Jim was ticketed. 

• Inductive reasoning 
• Deductive reasoning

1, 2, 6, 24, 120, _

• 720 
• 500
• 480
• 1030