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WorksheetsMathematics in the modern world
Total questions: 65
Worksheet time: 11hrs 50mins
How many total homes did Really Real Realty sell in 2009?
49 homes
25 homes
63 homes
unknown
Which of the following best describes the correlation shown on the graph?
negative correlation
positive correlation
no correlation
Which of the following best describes the correlation shown on the graph?
negative correlation
positive correlation
no correlation
Which of the following best describes the correlation shown on the graph?
negative correlation
positive correlation
no correlation
Describe the correlation.
Negative correlation
No correlation
Positive correlation
Constant correlation
What type of relationship does this scatter plot represent?
Positive
Negative
No Relationship
Constant
Based on the scatterplot, which of the following conclusions about the relationship between her height and weight is true?
There is a negative relationship between height and weight
There is a positive relationship between height and weight
There is a constant relationship between height and weight
There is no relationship between height and weight
Based on the scatter plot, which statement best describes the trend?
As the daily temperature increases, the number of beach visitors increases.
As the daily temperature decreases, the number of beach visitors increases.
As the daily temperature increases, there is no change in the number of beach visitors
As the daily temperature increases, the number of beach visitors decreases
Describe the correlation coefficient if
r = 0.90
Positive, weak
Positive, strong
Negative, weak
Negative, strong
Estimate the correlation coefficient.
r is close to zero
r is close to -1
r is close to 1
r is close to -1.5
r is close to 1.5
Estimate the correlation coefficient
r = 1
r = -1
r ≈ -0.8
r ≈ 0.8
r ≈ -0.5
A restaurant sells pizza for the prices in the data table. Calculate the linear regression equation of the data.
y = 1.5x + 12
y = 12x + 1.5
y = 0.67x - 8
y = -8x + 0.67
If x is temperature and y is coffee sales, use the following formula to determine the coffee sales on a 34° day.
y = -60x+6443
$4403
$4673
$8483
$6443
Which situation would earn you the most interest?
Depositing $1,000 for a year at 5% compound interest, paid quarterly.
Depositing $100 for a year at 5% compound interest, paid quarterly.
Depositing $100 for a year at 5% simple interest, paid quarterly.
Depositing $1,000 for a year at 5% simple interest, paid quarterly.
Arnold invested $7000 in his account and he had $8050 after 4 years. What was the yearly interest rate (simple interest)?
28.75%
2.875%
1.25%
3.75%
Let p and q represent the following simple statements.
p: This is a dog.
q: This is a mammal.
Write the compound statement in symbolic form.
If this is a dog, then it is a mammal.
p→q
q→p
p∧q
p∨q
Let p and q represent the following simple statements.
p: This is a dog.
q: This is a mammal.
Write the compound statement in symbolic form.
If this is a mammal, then this is a dog.
p→q
q→p
p∧q
q∨p
Let p and q represent the following simple statements.
p: This is a dog.
q: This is a mammal.
Write the compound statement in symbolic form.
If this is not a mammal, then this is not a dog.
∼p∧∼q
∼p→∼q
∼q∧∼p
∼q→∼p
Let p and q represent the following simple statements.
p: This is a dog.
q: This is a mammal.
Write the compound statement in symbolic form.
If this is not a dog, then it is not a mammal.
∼p→∼q
∼q→∼p
∼p v ∼q
∼q v ∼p
Let p and q represent the following simple statements;
p: Frank plays football.
q: Jamir runs track.
r: Edwin plays soccer.
Write each compound statements in symbolic form.
Frank plays football and Jamir runs track.
p→q
p↔q
p Λ q
p v q
Let p and q represent the following simple statements;
p: Frank plays football.
q: Jamir runs track.
r: Edwin plays soccer.
Write each compound statements in symbolic form.
Edwin plays soccer if and only if Jamir runs track.
r→q
r ↔q
r∧q
r∨q
Let p and q represent the following simple statements;
p: Frank plays football.
q: Jamir runs track.
r: Edwin plays soccer.
Write each compound statements in symbolic form.
Jamir does not run track if and only if Frank does not play football.
∼q↔∼p
∼q→∼p
∼q ∨∼p
∼q∧∼p
An independent clause is a group of words with a subject and predicate that expresses a complete thought or idea.
true
false
Simple sentences can NOT have more than one subject or verb.
true
false
What type of sentence is this?
The boys ran to school yesterday afternoon.
simple
compound
Is this a compound sentence?
The boys played with their toys, the girls ran to school.
Yes
No
Conditional statements are expressions that result in either a yes or No result
True
False
Which is better to have when you invest money?
Compound Interest
Simple Interest
Good interest
Simpound Interest
Is the following sentence a Simple sentence or a Compound sentence?
" Mrs. Musto and Mrs. Gambler ate an entire pizza during lunch. "
Simple Sentence
Compound Sentence
I decided I really wanted to eat a pumpkin muffin, so I drove to the store to buy one.
What type of logic is this table showing:
AND
OR
NOR
IF, THEN
If I am hungry then I will eat a whole pizza.
New Statement:
If I am not hungry then I will eat a whole pizza.
What are the truth values for ~p ∨ q
T F T T
T T F T
T T T F
F T T T
Which is the proper negation for "she is happy"?
she is angry
she is sad
she is not happy
she is not angry
Which is the proper negation for "he is not awake"?
he is awake
he is not asleep
he is asleep
he is not not awake
A statement that has the opposite meaning, as well as an opposite truth value is called what?
Logic
Pyramid
Disjunction
Negation
Refer to the following statement: "If a polygon is a quadrilateral, then it is a trapezoid."
What is the converse of this statement?
If a polygon is not a quadrilateral, then it is not a trapezoid.
If a polygon is not a trapezoid, then it is not a quadrilateral.
If a polygon is a trapezoid, then it is a quadrilateral.
A rectangle is also a quadrilateral.
The statement "an angle is a right angle if and only if its measure is 90o" is an example of what type of statement?
Conditional
Conjecture
Biconditional
Identify the hypothesis and conclusion:
If 3x−7=32 , then x=13.
Hypothesis: 3x−7=32
Conclusion: x=13
Hypothesis: x=13
Conclusion: 3x−7=32
p: The girl wears a red hat.
q: The boy wears a blue coat.
Which of the following statements is equivalent to
The girl wears a red hat and the boy wears a blue coat.
The girl wears a red hat or the boy wears a blue coat.
If the girl wears a red hat, then the boy wears a blue coat.
The boy wears a blue coat if and only if the girl wears a red hat.
Given:
p: It will rain on Saturday.
q: We will play in the park.
Write the following statement using logic symbols.
If it does not rain on Saturday, then we will play in the park.
∼p→q
p→q
∼p∧q
∼q→p
Given:
p: Six students eat candy.
q: It rains on Tuesday.
Which of the following states:
If it does not rain on Tuesday, then six students will not eat candy.
If six students do not eat candy, then it does not rain on Tuesday.
Six students do not eat candy, and it does not rain on Tuesday.
It does not rain on Tuesday or six students will not eat candy.
