Inequalities - Quiz 1    Question

Question 1

Which of the following is the solution of    in the real numbers?

a)				b)
c)				d)

 

Not correct. Choice (a) is false.

Try again, if    then 
Always test your answer.

Your answer is correct.

If    then    and 

Not correct. Choice (c) is false.

Try again, you have not solved the equation    correctly.

Not correct. Choice (d) is false.

Try again, you have not solved the equation    correctly.

Question 2

Which of the following is the solution of    in the real numbers?

a)				b)
c)				d)

 

Not correct. Choice (a) is false.

Try again, you have not solved    correctly.

Not correct. Choice (b) is false.

Try again, remember if you multiply or divide an inequality by a negative number then you change the direction of the inequality.

Not correct. Choice (c) is false.

Try again, you have not solved    correctly.

Your answer is correct.

If    then    and 

Question 3

Which of the following graphs represents 

a)				b)
c)				d)

 

Your answer is correct.

Correct, an interval of this form is always the values between the endpoints.

Not correct. Choice (b) is false.

Try again, you have    and 

Not correct. Choice (c) is false.

Try again, you have 

Not correct. Choice (d) is false.

Try again, you have 

Question 4

Consider the following graph

Which statement below describes the bound on -axis of the shaded area?

a)				b)
c)				d)

 

Not correct. Choice (a) is false.

Try again, this really reads or

Not correct. Choice (b) is false.

Try again, this really reads or

Your answer is correct.

This reads and

Not correct. Choice (d) is false.

Try again, this really reads and

Question 5

Consider the following graph.

Which statement below describes the bounds and the -axis and the shaded areas?

a)				b)
c)				d)

 

Not correct. Choice (a) is false.

Try again, this is the bounds of the unshaded area on the -axis.

Not correct. Choice (b) is false.

Try again, this means and so this is the bounds of the unshaded area on the -axis.

Not correct. Choice (c) is false.

Try again, this is just

Your answer is correct.

This means or