What is a counterexample for the conjecture? Conjecture: The product of two positive numbers is greater than the sum of the two numbers.

A counterexample exists, but it is not shown above.

There is no counterexample. The conjecture is true

What is the conclusion of the following conditional? A number is divisible by 2 if the number is even.

The sum of the digits of the number is divisible by 2

If a number is even, then the number is divisible by 2

What is the converse of the following conditional? If a point is in the fourth quadrant, then its coordinates are negative.

If the coordinates of a point are negative, then the point is in the fourth quadrant

If a point is in the fourth quadrant, then its coordinates are negative.

If a point is not in the fourth quadrant, then the coordinates of the point are not negative.

If the coordinates of a point are not negative, then the point is not in the fourth quadrant.

Determine whether the conditional and its converse are both true. If both are true, combine them as a biconditional. If either is false, give a counterexample. If an angle is a right angle, its measure is 90. If an angle measure is 90, the angle is a right angle.

Both statements are true. An angle is a right angle if (and only if) its measure is 90.

One statement is false. If an angle measure is 90, the angle may be a vertical angle.

One statement is false. If an angle is a right angle, its measure may be 180.

Both statements are true. The measure of angle is 90 if (and only if) it is not a right angle

Write the two conditional statements that make up the following biconditional. I drink juice if (and only if) it is breakfast time.

If I drink juice, then it is breakfast time. If it is breakfast time, then I drink juice.

I drink juice if (and only if) it is breakfast time. It is breakfast time if (and only if) I drink juice.

If I drink juice, then it is breakfast time. I drink juice only if it is breakfast time.

I drink juice. It is breakfast time.

Which statement provides a counterexample to the following faulty definition? A square is a figure with four congruent sides.

A six-sided figure can have four sides congruent.

Some triangles have all sides congruent.

A square has four congruent angles.

Geometry CBA1 Review

Quiz

•

Mathematics

•

10th Grade

•

Practice Problem

•

Medium

•

CCSS

HSG.CO.A.1, 7.G.B.5, 8.G.A.3

+4

Standards-aligned

Yslamguly Gurbangylyjov

Used 5+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the names of four coplanar points?

Points F, D, P, and N are coplanar.

Points P, M, N, and C are coplanar.

Points P, M, D, and C are coplanar

Points P, M, F, and C are coplanar

Tags

CCSS.HSG.CO.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Are points G, K, and F collinear or non-collinear?

collinear

non-collinear

impossible to tell

Tags

CCSS.HSG.CO.A.1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Are M, N, and O collinear? If so, name the line on which they lie.

No, the three points are not collinear

Yes, they lie on the line M P.

Yes, they lie on the line MO

Yes, they lie on the line NP

Tags

CCSS.HSG.CO.A.1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.8.G.A.3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the intersection of plane STXW and plane TUYX ?

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

C

D

B

not B, C, or D

Tags

CCSS.HSG.GPE.B.6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.7.G.B.5

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Geometry CBA1 Review

15 questions

What are the names of four coplanar points?

Are points G, K, and F collinear or non-collinear?

Are M, N, and O collinear? If so, name the line on which they lie.

What is the intersection of plane STXW and plane TUYX ?

What is a counterexample for the conjecture?Conjecture: The product of two positive numbers is greater than the sum of the two numbers.

What is a counterexample for the conjecture?Conjecture: Any number that is divisible by 4 is also divisible by 8.

What is the conclusion of the following conditional?A number is divisible by 2 if the number is even.

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Discover more resources for Mathematics

What is a counterexample for the conjecture?
Conjecture: The product of two positive numbers is greater than the sum of the two numbers.

What is a counterexample for the conjecture?
Conjecture: Any number that is divisible by 4 is also divisible by 8.

What is the conclusion of the following conditional?
A number is divisible by 2 if the number is even.