Unit Test #10

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:

 

Which is an implicit relation?
A. x2 + 2x = y
B. y = (x - 3)(x +5)
C. y3 + x2 + 2x + 3 = 0
D. x2 + 2x + 3 = 0

Answer 1:

 

 

Q2:

 

Differentiate y2 = 2x

y ' =

Answer 2:

 

 

Q3:

 

Differentiate y2 = 2x2

Answer 3:

 

 

Q4:

 

Make y the subject and then differentiate:

y + x2 = 2y - 3

A. y ' = 2x
B. y ' = 2x + 3
C. y ' = 3x
D. y ' = 3x + 2

Answer 4:

 

 

Q5:

 

Differentiate xy + 1 = y2

y ' =

Answer 5: