Chapter 2 Test A

1

Choose the correct converse of the if-then statement below:

If you had enough sleep, then you did well on the test.

1

Choose the correct inverse of the if-then statement below:

If the m\angle{X} is less than 90o, then \angle{X} is acute.

1

Choose the correct contrapositive of the if-then statement below:

If a tree is an evergreen, then it does not lose its leaves in the fall.

1

Choose the statement below that is a TRUE biconditional.

1

Choose the statement below that CANNOT be written as a TRUE biconditional.

1

In the Show Your Work space, write or draw a counterexample:

If two angles are supplementary, then they are a linear pair.

Use the pattern below to first describe the pattern, then determine the next item in the sequence.

1, -2, 4, -8, 16,...

1

Describe the pattern in words

1

What is the next number in the sequence?

Use the pattern below to first describe the pattern, then determine the next item in the sequence.

1

Describe the pattern in words

1

What is the next item in the sequence? Draw in the Show Your Work section.

For the next 3 questions, use either the Law of Detachment or the Law of Syllogism to make a possible conclusion.  If no conclusion can be reached, state NOT VALID.

2

If I don't wear sunscreen while swimming, then I'll get sunburned. If I get sunburned, then I'll be in pain.

2

If you like going to the movies, then you will eat popcorn. If you eat popcorn, then you will order a soda.

2

If you play tennis, then you belong to the country club. Nick plays tennis.

5

Using the Show Your Work section, solve the algebraic proof and justify each step.

For the next 14 questions, determine which property, definition, postulate, or theorem matches the statement provided.  Defintions must have the word "Definition", however properties and theorems do not need their identifier.

1

If 3k + j = 40 and j = 2, then 3k + 2 = 40.

1

If AB = CD and CD = EF, then AB = EF.

1

If 2x = 40, then x = 20.

1

If m\angle{X} = m\angle{Y}, then m\angle{Y} = m\angle{X}.

1

If two lines are perpendicular, then they form right angles.

1

XY = XY

1

If m\angle{X} = 90o, then \angle{X} is a right angle.

1

If 3k - 4 = 10, then 3k = 14.

1

If \frac{k}{4} = 20, then k = 80.

1

If m\angle{X} + m\angle{Y} = 90o, then these angle are complementary.

1

If \angle{A} and \angle{B} are a linear pair, then they are supplementary.

1

If WX = XY and X is between W and Y, then X is the midpoint.

1

AK + KB = AB

1

If \angle{1} and \angle{2} are vertical angles, then \angle{1}\cong\angle{2}.

Complete the proof below:

1

Reason #1

1

Statement #2

1

Reason #3

1

Reason #4

Complete the proof below:

1

Reason #1

1

Reason #2

1

Reason #3

1

Reason #4

3

In the proof below, there are 3 errors. Correctly select each incorrect step and what that step should be.

Complete the proof below:

1

Reason #1

1

Reason #2

1

Reason #3

Complete the proof below:

1

Reason #3

1

Statement #4

1

Reason #5

1

Statement #6

1

Statement #7

1

Reason #8

6

Using the Show Your Work section, complete the proof below:

Complete the proof below:

1

Reason #2

1

Reason #3

1

Reason #4

1

Reason #5

BONUS:

Complete the proof below:

0

Choose the correct converse of the if-then statement below:If you had enough sleep, then you did well on the test.

Choose the correct inverse of the if-then statement below:If the m\angle{X} is less than 90o, then \angle{X} is acute.

Choose the correct contrapositive of the if-then statement below:If a tree is an evergreen, then it does not lose its leaves in the fall.

Choose the statement below that is a TRUE biconditional.

Choose the statement below that CANNOT be written as a TRUE biconditional.

In the Show Your Work space, write or draw a counterexample:If two angles are supplementary, then they are a linear pair.

Describe the pattern in words

What is the next number in the sequence?

Describe the pattern in words

What is the next item in the sequence? Draw in the Show Your Work section.

If I don't wear sunscreen while swimming, then I'll get sunburned. If I get sunburned, then I'll be in pain.

If you like going to the movies, then you will eat popcorn. If you eat popcorn, then you will order a soda.

If you play tennis, then you belong to the country club. Nick plays tennis.

Using the Show Your Work section, solve the algebraic proof and justify each step.

If 3k + j = 40 and j = 2, then 3k + 2 = 40.

If AB = CD and CD = EF, then AB = EF.

If 2x = 40, then x = 20.

If m\angle{X} = m\angle{Y}, then m\angle{Y} = m\angle{X}.

If two lines are perpendicular, then they form right angles.

XY = XY

If m\angle{X} = 90o, then \angle{X} is a right angle.

If 3k - 4 = 10, then 3k = 14.

If \frac{k}{4} = 20, then k = 80.

If m\angle{X} + m\angle{Y} = 90o, then these angle are complementary.

If \angle{A} and \angle{B} are a linear pair, then they are supplementary.

If WX = XY and X is between W and Y, then X is the midpoint.

AK + KB = AB

If \angle{1} and \angle{2} are vertical angles, then \angle{1}\cong\angle{2}.

Reason #1

Statement #2

Reason #3

Reason #4

Reason #1

Reason #2

Reason #3

Reason #4

In the proof below, there are 3 errors. Correctly select each incorrect step and what that step should be.

Reason #1

Reason #2

Reason #3

Reason #3

Statement #4

Reason #5

Statement #6

Statement #7

Reason #8

Using the Show Your Work section, complete the proof below:

Reason #2

Reason #3

Reason #4

Reason #5

Reason #5

Choose the correct converse of the if-then statement below:

If you had enough sleep, then you did well on the test.

Choose the correct inverse of the if-then statement below:

If the m\angle{X} is less than 90o, then \angle{X} is acute.

Choose the correct contrapositive of the if-then statement below:

If a tree is an evergreen, then it does not lose its leaves in the fall.

In the Show Your Work space, write or draw a counterexample:

If two angles are supplementary, then they are a linear pair.