Unit Test #43

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:

 

Which of the following equations has a circle as its graph ? A. y = x2+ 4
B. y2 + x2= 4
C. y = (x + 4)2
D. y = 4x
Answer 1:

 

Q2:

 

What is the equation of the following graph?

A. xy = 4
B. xy = 16
C. xy = -4
D. xy = 1
 
Answer 2:

 

Q3:

 

What is the radius of a circle with the equation 
x2+ y= 16?
A. 8
B. 16
C. 4
D. 256
Answer 3:

 

Q4:

 

Which point lies on the graph of y = (x + 3)2? A. (1, 1)
B. (1, 4)
C. (1, 9)
D. (1, 16)
Answer 4:

 

Q5:

 

What type of graph is the function in question 4? A. hyperbola
B. parabola
C. growth curve
D. circle
Answer 5:

 

Q6:

 

Which of the following equations has an exponential or growth curve as its graph? A. y = 2x
B. y = 2x
C. y = x2
D. y2 = 2x
Answer 6:

 

Q7:

 

Which of the following equations could be shown by the graph below?

A. y = 4x
B. xy = 4 
C. y = 4x
D. y = x4
Answer 7:

 

Q8:

 

Which of the following points lie on the graph of y = 2x? A. (1, 0)
B. (1, 1)
C. (1, 2)
D. (1, 4)
Answer 8:

 

Q9:

 

Which equation is that of a parabola? A. y = x − 1
B. y2+ x2 = 25
C. y = x2 − 6
D. y = 4x
Answer 9:

 

Q10:

 

Which equation is that of a circle centre (0,0) passing through point (0, 4)? A. y 2 + x2 = 4
B. y = x+ 4
C. x 2 + y2 = 2
D. x 2 + y2 = 16
Answer 10: