Name: 
 

Chapter 2 Pre Test



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

 1. 

Find the slope and y-intercept (if possible) of the equation of the line. Select the correct answer for the line.

mc001-1.jpg
a.

mc001-2.jpg
mc001-3.jpg –7
y-intercept: (0, 2)
d.

mc001-7.jpg
mc001-8.jpg 2
y-intercept: (0, 2)
b.

mc001-4.jpg
mc001-5.jpg
–2
y
-intercept: (0, 2)
e.

mc001-9.jpg
mc001-10.jpg 7
y-intercept: (0, 2)
c.

mc001-6.jpg
m is undefined.
y-intercept: (0, 2)
 

 2. 

Find the slope of the line passing through the given pair of points.

(0, 5), (6, 0)
a.
    mc002-1.jpg mc002-2.jpgmc002-3.jpg
d.
mc002-10.jpgmc002-11.jpg mc002-12.jpg
b.
mc002-4.jpgmc002-5.jpg mc002-6.jpg
e.
mc002-13.jpgmc002-14.jpgmc002-15.jpg
c.
  mc002-7.jpgmc002-8.jpgmc002-9.jpg
 

 3. 

Find the slope-intercept form of the equation of the line that passes through the given point and has the indicated slope m. Select correct answer for the line.

(2.2, –8.6 ), mc003-1.jpg
a.
mc003-2.jpg

mc003-3.jpg
d.
mc003-8.jpg

mc003-9.jpg
b.
mc003-4.jpg
mc003-5.jpg
e.
mc003-10.jpg
mc003-11.jpg
c.
mc003-6.jpg
mc003-7.jpg
 

 4. 

Use the intercept form to find the equation of the line with the given intercepts. The intercept form of the equation of a line with intercepts mc004-1.jpg and mc004-2.jpg is

mc004-3.jpg

Point on line: mc004-4.jpg
x-intercept: (c, 0)
y-intercept: (0, c),   mc004-5.jpg
a.
mc004-6.jpg
b.
mc004-7.jpg
c.
mc004-8.jpg
d.
mc004-9.jpg
e.
mc004-10.jpg
 

 5. 

Estimate the slope of the line.

mc005-1.jpg
a.
1
b.
0
c.
–1
d.
2
e.
Undefined
 

 6. 

A microchip manufacturer pays its assembly line workers $15.25 per hour. In addition,
workers receive a piecework rate of $0.45 per unit produced. Select a linear equation for the hourly wage W in terms of the number of units x produced per hour.
a.
mc006-1.jpg
b.
mc006-2.jpg
c.
mc006-3.jpg
d.
mc006-4.jpg
e.
mc006-5.jpg
 

 7. 

Evaluate mc007-1.jpg if mc007-2.jpg.
a.
mc007-3.jpg = mc007-4.jpg
b.
mc007-5.jpg = mc007-6.jpg
c.
mc007-7.jpg = mc007-8.jpg
d.
mc007-9.jpg = mc007-10.jpg
e.
mc007-11.jpg = mc007-12.jpg
 

 8. 

Find the domain of the function.

mc008-1.jpg
a.
Non-negative real numbers x
b.
All real numbers x
c.
All real numbers x such that mc008-2.jpg
d.
Non-negative real numbers x except mc008-3.jpg
e.
All real numbers x such that mc008-4.jpg
 

 9. 

Find all real values of x such that f (x) = 0.
mc009-1.jpg
a.
mc009-2.jpg
b.
mc009-3.jpg
c.
mc009-4.jpg
d.
mc009-5.jpg
e.
mc009-6.jpg
 

 10. 

Select the graph of the given function and determine the interval(s) for which mc010-1.jpg.

mc010-2.jpg
a.

mc010-3.jpg
mc010-4.jpg
d.

mc010-9.jpg
mc010-10.jpg
b.

mc010-5.jpg
mc010-6.jpg
e.

mc010-11.jpg
mc010-12.jpg
c.

mc010-7.jpg
mc010-8.jpg
 

 11. 

Select the correct graph of the given function.

mc011-1.jpg
a.

mc011-2.jpg
d.

mc011-5.jpg
b.

mc011-3.jpg
e.

mc011-6.jpg
c.

mc011-4.jpg
 

 12. 

The cost of sending an overnight package from Los Angeles to Miami is $mc012-1.jpg for a package weighing up to but not including 1 pound and $mc012-2.jpg  for each additional pound or portion of a pound. A model for the total cost mc012-3.jpg (in dollars) of sending the package is

mc012-4.jpgmc012-5.jpgmc012-6.jpgmc012-7.jpgmc012-8.jpg where, mc012-9.jpg is the weight in pounds.

Determine the cost of sending a package that weighs mc012-10.jpg pounds.
a.
mc012-11.jpg
b.
mc012-12.jpg
c.
mc012-13.jpg
d.
mc012-14.jpg
e.
mc012-15.jpg
 

 13. 

For following function, select (on the same set of coordinate axes) a graph for mc013-1.jpg.

mc013-2.jpg
a.

mc013-3.jpg
d.

mc013-6.jpg
b.

mc013-4.jpg
e.

mc013-7.jpg
c.

mc013-5.jpg
 

 14. 

Use the graph of mc014-1.jpg to write an equation for the function whose graph is shown.


mc014-2.jpg
a.
mc014-3.jpg
b.
mc014-4.jpg
c.
mc014-5.jpg
d.
mc014-6.jpg
e.
mc014-7.jpg
 

 15. 

Select the graph of mc015-1.jpg.
mc015-2.jpg
a.

mc015-3.jpg
d.

mc015-6.jpg
b.

mc015-4.jpg
e.

mc015-7.jpg
c.

mc015-5.jpg
 

 16. 

Use the viewing window shown to select a possible equation for the transformation of the parent function.

mc016-1.jpg
a.
mc016-2.jpg
b.
mc016-3.jpg
c.
mc016-4.jpg
d.
mc016-5.jpg
e.
mc016-6.jpg
 

 17. 

The spread of a contaminant is increasing in a circular pattern on the surface of a lake. The radius of the contaminant can be modeled by  mc017-1.jpg, where r is the radius in meters and t is the time in hours since contamination.

Find a function that gives the area A of the circular lake in terms of the time since the spread began.
a.
mc017-2.jpg
b.
mc017-3.jpg
c.
mc017-4.jpg
d.
mc017-5.jpg
e.
mc017-6.jpg
 

 18. 

Use the tables of values for mc018-1.jpg to complete a table for mc018-2.jpg.

       x
mc018-3.jpg
mc018-4.jpg
0
mc018-5.jpg
mc018-6.jpg
mc018-7.jpg
    mc018-8.jpg
mc018-9.jpg
mc018-10.jpg
2
mc018-11.jpg
mc018-12.jpg
mc018-13.jpg

a.

mc018-14.jpg
b.

mc018-15.jpg
c.

mc018-16.jpg
d.

mc018-17.jpg
e.

mc018-18.jpg
 

 19. 

Select the graph of the function, and use the Horizontal Line Test to determine whether the function is one-to-one and so has an inverse function.

mc019-1.jpg

a.

mc019-2.jpg
The function does not have inverse.
d.

mc019-5.jpg
The function does not have inverse.
b.

mc019-3.jpg
The function does not have inverse.
e.

mc019-6.jpg
The function does not have inverse.
c.

mc019-4.jpg
The function does not have inverse.
 

 20. 

Find the inverse function of  f.
mc020-1.jpg
a.
mc020-2.jpg
b.
mc020-3.jpg
c.
mc020-4.jpg
d.
mc020-5.jpg
e.
mc020-6.jpg
 



 
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