Stationary and Turning Points Test

Unit Test #12

Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

 If f(x) = 3x2 + 6x, find f ' (-2) A. 6
B. -6
C. -18
D. 0

Answer 1:

 

 

Q2:

 

 Determine the nature of the turning point of 
y = 4 - x2		 A. Maximum
B. Increasing point of inflection
C. Minimum
D. Decreasing point of inflection

Answer 2:

 

 

Q3:

 

 What are the coordinates of the turning point of the function in Question 2? A. (0, 4)
B. (4, 0)
C. (-4, 0)
D. (0, -4)

Answer 3:

 

 

Q4:

 

If y = (2x + 1)2

find y ''

 A. 8x 
B. 4(x + 1)
C. 8x + 4
D. 8

Answer 4:

 

 

Q5:

 

 Is the graph of y = 4 - x2 , concave up or concave down?

A. concave up
B. concave down
C. neither
D. both

Answer 5: