Name
~._,,­
Date - - - - - - - -
Practice B
LESSON 4.3 and 4.5
For use with pages 225 -232 and with pages 243-250
Find the x-intercept and the y-intercept of the graph of the equation.
7. x-y=-S
8. Sx+ lOy=30
9. 8x-2y= 16
0
x-int: - 5 y-int:--.:!5
x-int:~ y-int:-----=:i
x-int:~ y-int:~
Match the equation with its intercepts. -, x-l\~ :,.~
7y=28-4x ~"X
~~ ~ 7x=4y+28
t
10.2y-12x=-24
x-int:~ y-int: - \ ~
3313. 4y=7x+28 -IX+-~ :.~
+-]
A) x-intercept: 4
y-intercept: - 7
Block:- - ­
B) x-intercept: - 4
y-intercept: 7
@:)-intercept: 7
y- intercept: 4
Graph the equations using Standard Form or Slope-Intercept form - depending on how the
equation is written.
2
14) y =--x-4
3 y
"
""'"
17) 7x-7 =42
15)
y~3x+~
r
1
16) y =-x-2
2
x
x
v
~ H-f-+-f-++-+-+++++H-H
§:)I.
19) 4x-8y=16
2y=
-6
y
y
..
..
?>
x
x
,
.
-­
~.
Name
~
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~
LESSON 4.3
Date
Practice A
Block:
_
For use with pages 225 -232
Identify the x-intercept and the y-intercept of the graph.
Find the x-intercept and the y-intercept of the graph of each equation.
x-intercept y-intercept
It.
x+y=9
3
( ~\D
CO
'1),
(0,-'1.
4
x-y=4
5
-3x + y = 15
(-SID) (\) ,\5)_
6
2x+7y=-14
7
-5y-7x = 35
(0 '-2:)
(-ltD) (D \-'5)
( 4,D
(-I,D
Match the equation with its graph.
8.
x+y=2
A)
.C-.
I----!r-- Y r-r-,
r--.1-i--lr---3 ---,-'-·--1
I-=~---·f-- l- --{-+---i
'j__
I I
~_I +--- . J ' ---1 --1
rI I
I ~
! -~-I-=Ll.-j---+~
~-ti_I_ -. __ +-.1
l_ -1_1.. J J J
c-
__
9. x-y=2
i
B)
r--r-r-l-!
I
J
I I
I
,
.t
I'
I
!
I
~y
I-T·--~- J. -- ,- 1-- i­
I -[
J
:I
i--1--, J ---' -+--1"---1
L t r-~
1
!
~
I-+-r---i~--+--:-----ITjl
~-i-f---
1
~_..J__
-
I
1-+
'
.LJ
Graph the equations.
11.
-Jt, -y
=
6
12. 4x - 6y
Y
=
13. 5x +
A=-Y5
-12
Y
.....
x
x
x
/
1-...
\;
'V
Practice A
LESSON 4.5
For use with pages 243-250
Identify the slope and y-intercept of the line whose graph is shown.
SLOPE
y-intercept
........
( D\~)
5
y = 3x + 4
3 (,
6
y = -2x + 8
--:2-\\
7
1
CO \ ~J
.l.....
L..
ID\D )\
y=-x
2
8
3
y=--x-l
4
Graph the equation.
.
-
-~(l\-
0\-\)
u.
10.y=x-7
-
y
12 . y = 2x
y
l~
y
f-
I
I
r­
/
x
1\
x
x
x
/
t-­
\
13. y
1
= -x+2
14. Y
3
1
'
15. y =-x-l
3
4
y
y
-¥
2
= --x+3
y
y
.
....
I
...
I""l
x
"""
~
LJ
["oIl
;.
1'00..
x
x
.....
-­
I
I"~
""
i"""
"'"
3
16. y=--x-3
4
I
I
....
.,..,.
Algebra 1
Name:
Review: Graphing Linear Equations
Date: -
----------
1) 6x - 3y = 6
!
y
Period"
2) -4x - 5y = 20
1/
3) 5x - Y = -5(['
I
1/
y
rl
II
s:
!I
I
I
x
I
I
"-
I
I
x
.'"
x
I',
I
/
/
/
I
/
t.
I'.
~
4) 2x+5y=-10
5 ) x-y=6
y
6) 2x + 3y = 6
1
y'"
y
y
r....1
"'I...
,
...............
.......
.L
r-...
/'
x
I"­
.......
1/
....
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r....
x
r-..
/
.......
x
/
.....
V
V
..............
I'
3
2
7) Y=3 X +3
V
v
~
/,
9) Y = 2x+3
y
y
"'"
y
1.1
wi'
I-'"
/
~
V
1,/
--I-­ -I-­
10,;
....
1/
i.-'
II
x
x
I,,;'
H-t--+-+++++-+--p.,j;:-+--I-t-H x
If
I
/
~
10) y
=6x -
1\
\Y
3
4
12) y=-x-4
4
y
I'
H-l-+-+-+-++-t+t-+-t--I-t-HH x
I---+-t-+--t-+--/k-I-+-+-+-+-+-t-j--H x
V
x
;1
~
~
..
13) What are the x- and y-intercepts of the equation y
= 2x + 2? Y.\r(t-:
I
m-;:;. -3
z:
14) What is the slope and the y-intercept of the equation 3x + 2y = 6?
~ j·\rt'~lDt31
~ x + 2? '----'-~~-+i.v.+-=-t--'--'---'-'-----+-
15) What are the x- and y-intercepts of the equation y = -
= -8? ",:0.
16) What is the slope and the y-intercept of the equation -4x + y
y
A)
~I~ 21"'& : L0, ~
f
B)
g"' rn-; (0, -'l?")
y
Match the graph to its equati on.
C
....... ..........
17) -2x + 4y = -4
........ ~
\ t118) -2x - 4y = 4
.J) 19)
j2 20)
i '~
..........
2x - 4y = -4
.........
r"'o
......... ~
x
.........
2x + 4y = 4
.........
.........
~
x
.........
21) 2x+4y=-4
~ 22)
y
C)
2x-4y = 4
D)
y
~
,.
./
-'
/'
,/
./
/'
l/
/'
ttl""
~
x
­
./
V
L/
l/V
'/
~
x
Match the graph to its equation
1
]123) y=-x+l
2
A)
..
.......
-
.......
'----­
.......
y
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)
r""­ r-.....
....... ~
x
r--. r-....
r""- I'-..
....- V
.x
r-. ......
. /V
...x
l.",.o' ~
"lI.
.x
. /V
......."'"
.......
D)
I
~~
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~
./
x
../
V"
V
X