Name: 
 

math pre-test for microeconomics



Numeric Response
 

 1. 


nr001-1.jpg
(Answer is a two digit whole number.)

 

 2. 

Yesterday it was 60 degrees.  Today it is 75 degrees.  How much warmer is it today than it was yesterday?  Express your answer a percentage.

 

 3. 


nr003-1.jpg= ?
(Answer is a one digit whole number.)

 

 4. 

Graph of first quandrant with three points labled.  Point A is at 0,6.  Point B is at 7,3.  Point C is at 2, 5.

In the graph, what is the x-coordinate of point C? (Answer is a one digit whole number.)

 

 5. 

Graph of first quandrant with four points labled.  Point A is at 0,6.  Point B is at 7,3.  Point C is at 2, 5.  Point D is at 3, 3.

Draw a line through points A and D.  What is the absolute value of the slope of the line? (Answer is a one digit whole number.)

 

 6. 

Graph of first quandrant with four points labled.  Point A is at 0,6.  Point B is at 7,3.  Point C is at 2, 5.  Point D is at 3, 3.

Draw a line through points A and D.  What is the x-intercept of the line? (Answer is a one digit whole number.)

 

 7. 

Graph of first quandrant with four points labled.  Point A is at 7,5.  Point B is at 7,3.  Point C is at 3,3.  Point D is at 2,5.

Draw a quadrilateral connecting points A, B, C, and D.  What is its area? (Answer is a one digit whole number.)

 

 8. 

nr008-1.jpg
What is the value of x?  (Answer is a single digit whole number.)

 

 9. 

nr009-1.jpg
What is the value of x?  (Answer is a single digit whole number.)

 

 10. 

nr010-1.jpg
If x is 3, what is the value of y?  (Answer is a single digit whole number.)

 

 11. 

nr011-1.jpg
If x is 3 and z is 2, what is the value of y?  (Answer is a two digit whole number.)

 

 12. 

nr012-1.jpg

Currently this equation expresses y in terms of x.  Rearrange it to express x in terms of y.  What is the coefficient on y?  (Answer is a single digit whole number.)

 

 13. 

nr013-1.jpg

Graph this function in the first quadrant.  What is the y-intercept? (Answer is a two digit whole number.)

 

 14. 

nr014-1.jpg

Graph this function in the first quadrant.  What is the x-intercept? (Answer is a one digit whole number.)

 

 15. 

nr015-1.jpg+4

Graph this function in the first quadrant.  What is the y-intercept? (Answer is a two digit whole number.)

 

 16. 

nr016-1.jpg

What value of x satisfies both of these equations?  In other words, at what value of x do the two functions intersect?  (Answer is a single digit whole number.)

 

 17. 

Graph of the first quandrant.  Shows a smooth curve that begins at 0,0 and passes through these points 2, 0.5; 3,1; 4,2; 7,6; and 9,10.
As x increases from 8 to 9, what is the approximate increase in y? (Answer is a one digit whole number.)

 

 18. 

Graph of the first quadrant.  Shows a smooth curve beginning at 0,1 and passing through the following points 1,3; 2,4; 6,7; 10,9.
As x increases from 1 to 2, what is the approximate increase in y? (Answer is a one digit whole number.)

 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 19. 

mc019-1.jpg
This equation describes a
a.
point.
c.
set of parabolas.
b.
line.
d.
circle.
 

 20. 

mc020-1.jpg
This equation describes a
a.
point.
c.
parabola.
b.
line.
d.
circle.
 

 21. 

Graph of first quandrant with four points labled.  Point A is at 0,6.  Point B is at 7,3.  Point C is at 2, 5.  Point D is at 2,5.

Connect points A, C and D with a smooth curve.  As you move rightward from A to D, the slope of the curve is
a.
getting smaller in absolute value.
c.
staying the same.
b.
getting bigger in absolute value.
d.
approaching zero.
 

 22. 

Graph of the first quandrant.  Shows a smooth curve that begins at 0,0 and passes through these points 2, 0.5; 3,1; 4,2; 7,6; and 9,10.
As x increases from zero to 10, the slope of this function is getting
a.
bigger.
c.
staying the same.
b.
smaller.
d.
close to zero.
 

 23. 

Graph of the first quadrant.  Shows a smooth curve beginning at 0,1 and passing through the following points 1,3; 2,4; 6,7; 10,9.
As x increases from zero to 10, the slope of this function is getting
a.
bigger.
c.
staying the same.
b.
smaller.
d.
close to zero.
 

 24. 

Graph of the first quadrant.  Shows a smooth curve beginning at 0,0 and passing through the following points 32,96; 64,100; 96, 105; 128,160.
As x increases from zero to 160, the slope of this function is getting
a.
bigger in absolute value.
c.
first bigger then smaller in absolute value.
b.
smaller in absolute value.
d.
first smaller then bigger in absolute value.
 



 
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