Unit Test #29

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:

 

What is the gradient of the curve y = x2 
when x = 0?
A. 0
B. 1
C. 2
D. infinite
Answer 1:

 

Q2:

 

The gradient of the function y = x3   is always: A. negative
B. positive
C. negative or zero
D. positive or zero
Answer 2:

 

Q3:

 

  

Which point has a negative gradient?

A. A
B. B
C. C
D. D
Answer 3:

 

Q4:

On the graph in question 3, which point has a positive gradient? A. A
B. B
C. C
D. D
Answer 4:

 

Q5:

 

On the graph in question 3, how many points have a gradient of 0?  A. none
B. one
C. two
D. three
 
Answer 5:

 

Q6:

 

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

A. f '(x) = 3
B. f '(x) = 2
C. f '(x) = -2
D. f '(x) = -3

Answer 6:

 

Q7:

 

What is the gradient function of the function y = x2? A. f '(x) = 2
B. f '(x) = -2x
C. f '(x) = -2
D. f '(x) = 2x
Answer 7:

 

Q8:

 

What is the gradient function of the 
function y = x2 + 3
A. f '(x) = 2x + 3
B. f '(x) = 2x
C. f '(x) = -2
D. f '(x) = -2x + 3
Answer 8:

 

Q9:

 

The gradient of y + 3x = - 5 is: A. positive
B. negative
C .zero
D. undefined
Answer 9:

 

Q10:

 

 The gradient of y = 3 is A. positive
B. negative
C .zero
D. undefined
Answer 10: