Unit Test #30

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

Differentiate 5x4 A. 5x3
B. 20x5
C. 20x3
D. 9x3
Answer 1:

 

Q2:

 

What is the gradient function of the equation
y = 3x - 2?

A. y ' = 3x
B. y ' = 3
C. y ' = 1
D. y ' = 3x2
Answer 2:

 

Q3:

 

Simpify  A. 3x2 - 2x
B. 3x3 - 2x2
C. 3x3 - 2x3
D. 3x4 - 2x2
Answer 3:

 

Q4:

 

Differentiate the expression in question 3 A.12x3 - 4x
B. 9x2 - 6x2
C. 9x2 - 4x
D. 6x - 2
Answer 4:

 

Q5:

 

Differentiate
x3 - 2x
A. 3x - 2
B. 3x2 - 2
C. 3x2
D. x2 - 2
Answer 5:

 

Q6:

 

What is the gradient function for f(x) = 3x2 - 4x?

A. f ' (x) = 3x - 4
B. f ' (x) = 6x2 - 4
C. f ' (x) = 6x - 4
D. f ' (x) = 5x - 4
Answer 6:

 

Q7:

 

Differentiate the expression
(x -1)2
A. 1
B. 2x - 2 
C. 2x - 1
D. 2x
Answer 7:

 

Q8:

 

What is the gradient function of
y = x?
A. y ' = 1
B. y ' = 0
C. y ' = x
D. y ' = 2
Answer 8:

 

Q9:

 

Differentiate 1/x A. 
B. 
C. 
D. x2
Answer 9:

 

Q10:

 

Differentiate √x A. 
B. 
C. 
D. 
Answer 10: