MAT/222 MAT222 MAT 222 WEEK 2 QUIZ

MAT 222 WEEK 2 QUIZ

Week 2 - Quiz

Question 1

1 / 1 pts

After viewing the video, Exercise 49 – Graphing the Solution Set: Double Inequalities in One Algebraic Statement, in the media section of Chapter 8, the presenter suggests that since the inequality problem uses < and > we should use brackets like [ and ] in our interval notation and graph.

  

True

 

Correct!

  

False

 

 

Question 2

1 / 1 pts

When looking at the example in the slideshow, Graphing the Solution Set, in the media section of Chapter 8, shows that compound inequalities use the connective “and” is false if one of the inequalities is false.

Correct!

  

True

 

  

False

 

 

Question 3

1 / 1 pts

After viewing the video, Exercise 49 – Graphing the Solution Set; Double Inequalities in One Algebraic Statement, in the media section of Chapter 8, the presenter flips the signs of the inequality in the final answer.

Correct!

  

True

 

  

False

 

 

Question 4

1 / 1 pts

The speaker in Exercise 5 from Chapter 7, The Addition Method: Matching Coefficients, states that when using the addition method, eliminate ________.

  

One of the equations

 

Correct!

  

One of the variables

 

  

A graph

 

  

Both variables

 

 

Question 5

1 / 1 pts

After viewing the video, Exercise 21 – Solving by Substitution: Independent, in the media section of Chapter 7, the presenter suggests plugging y = 2 into the first equation.  If you substituted y into the second equation your answer will be incorrect.

  

True

 

Correct!

  

False