Chapter 7 Test

Find the slope of the line.

	1.	

What is the slope of the line that passes through the pair of points?

	2.	(4, 6), (9, 2)

	3.	(0.5, 8.3), (3.5, 5.3)

	4.	(, ), (, )

What is the slope of the line?

	5.	

	6.	

What are the slope and y-intercept of the graph of the given equation?

	7.	 y = –10x – 4

	8.	 y = x 

	9.	 y = –6.3x – 8.2

Write an equation of a line with the given slope and y-intercept.

	10.	m = –1, b = –2

	11.	m = , b = 

	12.	m = 4.4, b = –3.9

Graph the equation.

	13.	y = x – 1

	14.	y = –5x  

Find the x- and y-intercept of the line.

	15.	–6x – 5y = 60

	16.	–6.8x + 3.7y = 201.28

	17.	x y = –10

Match the equation with its graph.

____	18.	6x – 4y = –24
a.		c.		
b.		d.		

What is the graph of the equation?

	19.	y = 2

	20.	x = –1

Chapter 7 Test
Answer Section

	1.	ANS:	

PTS:	1	DIF:	L3	REF:	5-1 Rate of Change and Slope
OBJ:	5-1.2 To find slope		NAT:	CC F.IF.6| CC F.LE.1.b| A.2.a| A.2.b
STA:	PA M11.D.2.1.2| PA M11.D.3.1.1| PA M11.D.3.1.2| PA M11.D.3.2.1| PA M11.D.3.2.3
TOP:	5-1 Problem 2 Finding Slope Using a Graph		KEY:	slope

	2.	ANS:	

PTS:	1	DIF:	L2	REF:	5-1 Rate of Change and Slope
OBJ:	5-1.2 To find slope		NAT:	CC F.IF.6| CC F.LE.1.b| A.2.a| A.2.b
STA:	PA M11.D.2.1.2| PA M11.D.3.1.1| PA M11.D.3.1.2| PA M11.D.3.2.1| PA M11.D.3.2.3
TOP:	5-1 Problem 3 Finding Slope Using Points		KEY:	slope

	3.	ANS:	
–1

PTS:	1	DIF:	L3	REF:	5-1 Rate of Change and Slope
OBJ:	5-1.2 To find slope		NAT:	CC F.IF.6| CC F.LE.1.b| A.2.a| A.2.b
STA:	PA M11.D.2.1.2| PA M11.D.3.1.1| PA M11.D.3.1.2| PA M11.D.3.2.1| PA M11.D.3.2.3
TOP:	5-1 Problem 3 Finding Slope Using Points		KEY:	slope

	4.	ANS:	

PTS:	1	DIF:	L4	REF:	5-1 Rate of Change and Slope
OBJ:	5-1.2 To find slope		NAT:	CC F.IF.6| CC F.LE.1.b| A.2.a| A.2.b
STA:	PA M11.D.2.1.2| PA M11.D.3.1.1| PA M11.D.3.1.2| PA M11.D.3.2.1| PA M11.D.3.2.3
TOP:	5-1 Problem 3 Finding Slope Using Points		KEY:	slope

	5.	ANS:	
0

PTS:	1	DIF:	L3	REF:	5-1 Rate of Change and Slope
OBJ:	5-1.2 To find slope		NAT:	CC F.IF.6| CC F.LE.1.b| A.2.a| A.2.b
STA:	PA M11.D.2.1.2| PA M11.D.3.1.1| PA M11.D.3.1.2| PA M11.D.3.2.1| PA M11.D.3.2.3
TOP:	5-1 Problem 4 Finding Slopes of Horizontal and Vertical Lines	
KEY:	slope

	6.	ANS:	
undefined

PTS:	1	DIF:	L3	REF:	5-1 Rate of Change and Slope
OBJ:	5-1.2 To find slope		NAT:	CC F.IF.6| CC F.LE.1.b| A.2.a| A.2.b
STA:	PA M11.D.2.1.2| PA M11.D.3.1.1| PA M11.D.3.1.2| PA M11.D.3.2.1| PA M11.D.3.2.3
TOP:	5-1 Problem 4 Finding Slopes of Horizontal and Vertical Lines	
KEY:	slope

	7.	ANS:	
The slope is –10 and the y-intercept is –4.

PTS:	1	DIF:	L2	REF:	5-3 Slope-Intercept Form
OBJ:	5-3.1 To write linear equations using slope-intercept form		
NAT:	CC A.SSE.1.a| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.BF.1.a| CC F.BF.3| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b	STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-3 Problem 1 Identifying Slope and y-intercept	
KEY:	linear equation | y-intercept | slope-intercept form

	8.	ANS:	
The slope is  and the y-intercept is .

PTS:	1	DIF:	L3	REF:	5-3 Slope-Intercept Form
OBJ:	5-3.1 To write linear equations using slope-intercept form		
NAT:	CC A.SSE.1.a| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.BF.1.a| CC F.BF.3| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b	STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-3 Problem 1 Identifying Slope and y-intercept	
KEY:	linear equation | y-intercept | slope-intercept form

	9.	ANS:	
The slope is –6.3 and the y-intercept is –8.2.

PTS:	1	DIF:	L3	REF:	5-3 Slope-Intercept Form
OBJ:	5-3.1 To write linear equations using slope-intercept form		
NAT:	CC A.SSE.1.a| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.BF.1.a| CC F.BF.3| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b	STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-3 Problem 1 Identifying Slope and y-intercept	
KEY:	linear equation | y-intercept | slope-intercept form

	10.	ANS:	
y = –x – 2

PTS:	1	DIF:	L2	REF:	5-3 Slope-Intercept Form
OBJ:	5-3.1 To write linear equations using slope-intercept form		
NAT:	CC A.SSE.1.a| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.BF.1.a| CC F.BF.3| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b	STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-3 Problem 2 Writing an Equation in Slope-Intercept Form	
KEY:	linear equation | slope-intercept form | y-intercept

	11.	ANS:	
y = x + 

PTS:	1	DIF:	L3	REF:	5-3 Slope-Intercept Form
OBJ:	5-3.1 To write linear equations using slope-intercept form		
NAT:	CC A.SSE.1.a| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.BF.1.a| CC F.BF.3| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b	STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-3 Problem 2 Writing an Equation in Slope-Intercept Form	
KEY:	linear equation | slope-intercept form | y-intercept

	12.	ANS:	
y = 4.4x – 3.9

PTS:	1	DIF:	L3	REF:	5-3 Slope-Intercept Form
OBJ:	5-3.1 To write linear equations using slope-intercept form		
NAT:	CC A.SSE.1.a| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.BF.1.a| CC F.BF.3| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b	STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-3 Problem 2 Writing an Equation in Slope-Intercept Form	
KEY:	linear equation | slope-intercept form | y-intercept

	13.	ANS:	

PTS:	1	DIF:	L3	REF:	5-3 Slope-Intercept Form
OBJ:	5-3.2 To graph linear equations in slope-intercept form	
NAT:	CC A.SSE.1.a| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.BF.1.a| CC F.BF.3| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b	STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-3 Problem 5 Graphing a Linear Function		
KEY:	linear equation | y-intercept | slope-intercept form

	14.	ANS:	

PTS:	1	DIF:	L3	REF:	5-3 Slope-Intercept Form
OBJ:	5-3.2 To graph linear equations in slope-intercept form	
NAT:	CC A.SSE.1.a| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.BF.1.a| CC F.BF.3| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b	STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-3 Problem 5 Graphing a Linear Function		
KEY:	linear equation | y-intercept | slope-intercept form

	15.	ANS:	
x-intercept is –10; y-intercept is –12

PTS:	1	DIF:	L2	REF:	5-5 Standard Form	
OBJ:	5-5.1 To graph linear equations using intercepts	
NAT:	CC N.Q.2| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.IF.9| CC F.BF.1.a| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b		STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-5 Problem 1 Finding x- and y-intercepts		
KEY:	x-intercept | standard form of a linear equation

	16.	ANS:	
x-intercept is –29.6; y-intercept is 54.4

PTS:	1	DIF:	L3	REF:	5-5 Standard Form	
OBJ:	5-5.1 To graph linear equations using intercepts	
NAT:	CC N.Q.2| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.IF.9| CC F.BF.1.a| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b		STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-5 Problem 1 Finding x- and y-intercepts		
KEY:	x-intercept | standard form of a linear equation

	17.	ANS:	
x-intercept is ; y-intercept is 

PTS:	1	DIF:	L3	REF:	5-5 Standard Form	
OBJ:	5-5.1 To graph linear equations using intercepts	
NAT:	CC N.Q.2| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.IF.9| CC F.BF.1.a| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b		STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-5 Problem 1 Finding x- and y-intercepts		
KEY:	x-intercept | standard form of a linear equation

	18.	ANS:	C	PTS:	1	DIF:	L3	REF:	5-5 Standard Form
OBJ:	5-5.1 To graph linear equations using intercepts	
NAT:	CC N.Q.2| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.IF.9| CC F.BF.1.a| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b		STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-5 Problem 2 Graphing a Line Using Intercepts	KEY:	standard form of a linear equation

	19.	ANS:	

PTS:	1	DIF:	L3	REF:	5-5 Standard Form	
OBJ:	5-5.1 To graph linear equations using intercepts	
NAT:	CC N.Q.2| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.IF.9| CC F.BF.1.a| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b		STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-5 Problem 3 Graphing Horizontal and Vertical Lines	KEY:	standard form of a linear equation

	20.	ANS:	

PTS:	1	DIF:	L3	REF:	5-5 Standard Form	
OBJ:	5-5.1 To graph linear equations using intercepts	
NAT:	CC N.Q.2| CC A.SSE.2| CC A.CED.2| CC F.IF.4| CC F.IF.7.a| CC F.IF.9| CC F.BF.1.a| CC F.LE.2| CC F.LE.5| A.2.a| A.2.b		STA:	PA M11.D.2.1.2| PA M11.D.3.2.2| PA M11.D.3.2.3
TOP:	5-5 Problem 3 Graphing Horizontal and Vertical Lines	KEY:	standard form of a linear equation