4.10: Chapter 4 Test
Difficulty Level: At Grade
Created by: CK12
Give the location of the following ordered pairs using the graph below.

A 
B 
C
 Graph
y=73x−4 .  Find the slope between –3, 5) and (–1.25, –2.25).
 Find the intercepts of
6x+9y=54 .  In 2004, the high school graduation rate in the state of New Jersey was 86.3%. In 2008, the high school graduation rate in New Jersey was 84.6%. Determine the average rate of change. Use this information to make a conclusion regarding the graduation rate in New Jersey (source: http://nces.ed.gov/pubs2010/2010341.pdf).
 Identify the slope and
y− intercept of4x+7y=28 .  Identify the slope and
y− intercept ofy=−35x−8 .  Graph
y=9 .  Graph the line containing (3, 5) and (3, –7). What type of line have you created?
 The number of cups of milk is directly proportional to the number of quarts. If 26 quarts yields 104 cups of milk, how many cups of milk is 2.75 quarts?
 Graph the direct variation situation using the table below:
&0 && 1 && 2 && 3 && 4 && 5 && 6 && 7\\
& 0 && 2.25 && 4.5 && 6.75 && 9 && 11.25 && 13.5 && 15.75
& 0 && 2.25 && 4.5 && 6.75 && 9 && 11.25 && 13.5 && 15.75

h varies directly asm whenm=4,h=27 . Findh whenm=−5.5 . 
h(n)=126−n+11 ; findh(25)  Are these lines parallel?
y=−2x+1 andy=2x−1  Mixture
A has a 2% hydrogen solution and mixtureB has a 1.5% hydrogen solution. How much of mixtureB needs to be added to 6 ounces of mixtureA to obtain a value of 0.51?
Texas Instruments Resources
In the CK12 Texas Instruments Algebra I FlexBook, there are graphing calculator activities designed to supplement the objectives for some of the lessons in this chapter. See http://www.ck12.org/flexr/chapter/9614.
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Date Created:
Feb 22, 2012Last Modified:
Dec 11, 2014
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