unit 2, quiz (IR, VD, and proofs)

Determine if the conjectures is true or false. If false, give a counterexample.

TWO RIGHT ANGLES ARE ALWAYS SUPPLEMENTARY.

• true

• false; 45 + 45

• false; 120 + 70

Tags

CCSS.HSG.CO.C.9

Write the conjecture statement.

8, 8:20, 8:40, ____, ____,____

• to generate the next term add ten minutes to the previous term

• to generate the next term add 20 minutes to the previous term

• to generate the next term add 40 minutes to the previous term

• go to sleep

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

Find the next two terms of the inductive reasoning.

A, E, I, M, ...

• Q, U

• P, T

• S, X

• O, U

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

Write the conjecture.

• each term is the pervious term rotated 90 degrees clockwise

• each term is the previous term rotated 90 degrees counterclockwise

• each term is the opposite of the previous term

• each term is flipped flopped like a fish

Tags

CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.4

CCSS.HSG.CO.A.5

Here is a conjecture.

ANY NUMBER DIVIDED BY ITSELF IS A WHOLE NUMBER.

• true

• false: 0/1 = 0

Tags

CCSS.4.NBT.B.6

Draw the Venn diagram to represent the situation.

NO RECTANGLES ARE TRAPEZOIDS

• A.

• B.

• C.

Tags

CCSS.HSS.CP.A.1

Draw a Venn diagram to represent each relationship.

Some multiples of 3 are also multiples of 4.

(a multiple example is the multiples of 2 are 2, 4, 6, 8, 10 ...)

• A.

• B.

• C.

Tags

CCSS.HSS.CP.A.1

Draw the Venn diagram to represent each relationship.

ALL LINEAR PAIRS ARE ADJACENT.

• A.

• B.

• C.

Tags

CCSS.HSG.CO.A.1

Draw a Venn diagram to represent the statement.

SOME STUDENTS ARE ALSO ATHLETES.

• A.

• B.

• C.

Tags

CCSS.HSS.CP.A.1

Shade the indicated region of the Venn diagrams.

r

• A.

• B.

• C.

Tags

CCSS.HSS.CP.A.1