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Ch 5 Review 2
供稿人: Jarvie
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
  What is the equation      of this line?
x = 4
x + y = 4
y = 4x
y = 4
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
-5/4
5/4
-4/5
4/5
 What is the slope     of this line?
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
  What is the equation     of this line?
y = -6
x - y = 6
x = -6
x + y = -6
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
-1/2
-2
1/2
2
  What is the slope     of a line that is  parallel to this line?  
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
  What is the slope of      a line that is     perpendicular to this     line?
1/2
2
-1
1
a
b
c
  Which line hasa negative slope?
a
b
c
none of the above
a
d
b
c
 Which line has aslope of zero?
a
b
c
d
 Find the slope of a line that passes through    (4, 2) and (-6, 6).
1/6
-2/5
2
-2
 Which point is on the line y = -2x - 1?
(0, -1)
(-1, 1)
(-3, 5)
 all of the above
 What is the slope and y-intercept of       y = -½x + 3?
m = -1/2; (3, 0)
m = -1/2; (0, 3)
m = 3; (0, -1/2)
m = 1/2; (2, 3)
  What is the x-intercept of 3x - 6y = -9?
(3/2, 0)
(0, 3/2)
(-3, 0)
(0, -3)
What are the x- and y-intercepts of

2x - y = 4?

(0, 2) and (0, -4)

(2, 0) and (0, 4)

(2, -4)

(2, 0) and (0, -4) 
What is the equation of a line that passes through
(4, -5) and has a slope of 2?
y + 5 = 2(x - 4)
y - 5 = 2(x - 4)
y - 4 = 2(x + 5)
y - 4 = 2(x - 5)
What is the given point and slope in the equation   y - 6 = -(x + 3)?
m = 
point =
(
,
)
Which equation goes through (-6, 2) and hasa slope of -½?
y = ½x - 6
y = 2x - 6
y = -½x + 5
y = -½x - 1
Are the lines parallel, perpendicular
or neither?
parallel
perpendicular
neither
y = ⅓x + 4
y = 3x - 1
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
What is x-intercept
of this line?
(0, 3)
(3, 0)
(1, 0)
(0, 1)
a
c
b
d
Which line(s) have 
a positive slope?
b
d
c & d
a
What is the equation
of this line?
y = x + 1
y = -x
y = x
y = 0
Just one more!  
YOU 
CAN
do this!
Which describes slope?
rise
y2
vertical change
the steepness of a line
all of the above
x2
horizontal change
run
- x1
- y1
Until next time....
Remember...Those who try 
are infinitely better than those who try to do nothing and
to do something and
S
u
c
e
e
d
Fail
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