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Pre-Algebra Chapter 8 Linear Functions Review Flashcards | StudBud
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Pre-Algebra Chapter 8 Linear Functions Review
Describe the scatter plot below:
y=x What is the y-intercept?
Pre-Algebra Chapter 8 Linear Functions Review
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Answers
1
y=x What is the y-intercept?
0
Yx
1
2
2
Describe the scatter plot below:
As the dog weight goes up, the height goes down
Not enough info
As the dog weight goes down. the height goes down
As the dog weight goes up, so does the height
3
This scatter plot shows..
a linear, negative trend
a non linear, negative trend
a linear, positive trend
no trend
4
What is an equation?
operations that undo each other
a statement that two mathematical expressions are equal
a value of a variable that makes an equation true
a mathematical sentence that compares two expressions
5
This scatter plot shows ...
the more money ppl make the healthier they are
all of the above
a linear trend
a positive trend
6
Name the linear inequality
y ≥ 2x + 1
y < 2x + 1
y > 2x + 1
y ≤ 2x + 1
7
This scatter plot shows...
a positive trend
a linear trend
a strong correlation
no correlation
8
What is the solution to this linear system?
(4, 2)
(2, 4)
(5, 2)
(2, 5)
9
Which equation matches the graph?
y= 2x + 5
y= 2x
y= -2x
y= -2x + 5
10
Name the linear inequality
y < -3x + 1
y ≥ -3x + 1
y > -3x + 1
y ≤ -3x + 1
11
This slope is negative.
True
False
12
Graph the linear inequality
b
c
d
a
13
What is The Slope ?
-3/5
3/5
5/3
3/-5
14
Which equation matches the graph?
y= 2x
y= -2x + 5
y= -2x
y= 2x + 5
15
Which of the relations below are NOT functions?
3 and 6
just 6
1, 2, and 5
just 5
16
Describe the scatter plot:
As the wife's age goes up, the husband's age stays the same
As the wife's age goes up, so does the husband's
As the wife's age goes down, the husband's age goes up
As the wife's age goes up, the husband's age goes down
17
What is the solution to this linear system:
(2, 1)
(-2, 1)
(-2, -1)
(1, -2)
18
Name the linear inequality
y > 3
y < 3x
y > 3x
y < 3
19
y=11x-9 What is the y-intercept
-9
11
Y
9
20
What is The Slope ?
8/5
7/5
-7/5
5/-7
21
This scatter plot shows a ...
negative trend
no trend
positive trend
22
This slope is ...
Undefined
Zero
Positive
Negative
23
Which is correct about functions?
The sum of the absolute values is 4
Every input has at least two outputs
Every output has one input
Every input has one output
24
Name the linear inequality
y > -x + 2
y ≤ -x + 2
y < -x + 2
y ≥ -x + 2
25
Which of the following relations are functions?
8, 10 and 12
7, 8, 11, and 12
only 7
9 and 10
26
Graph the linear inequality
d
b
c
a
27
Which equation matches the graph?
y= -x + 5
y= -x
y= x
y= x + 5
28
This scatter plot shows that...
As age of car ↑, the $ ↑
As age of car ↓, the $ ↑↓
As age of car ↑, the $ ↓
29
What is the y-intercept
-9
3
7
6
30
Find the slope.
-2
2
1/2
-1/2
31
find the linear equation
y=-3x-5
y=-5/2x+5
y=-1/3x-5
y=-3x+5
32
All relations are functions.
False
True
33
Where is the y-intercept?
y=-3
y= 3
y= 3x
y= -1/2x +3
34
Solve the system of Linear Equations
Infinite Solutions
No Solution
(2,1)
(-1,-1)
35
What is the slope?
-3
3
0
undefined
36
Name the linear inequality
y ≥ -2
y ≤ -2
x ≥ -2
x ≤ -2
37
What is the Slope? What is the Y-intercept?
Slope=4 Y-intercept=8
Slope=8 Y-intercept=4
Slope=0 Y-intercept=10
Slope=4x Y-intercept=8
38
A scatter plot shows
the relationship between two variables
a trend between three or more variables
data points over a distance
data points over time
39
Name the linear inequality
x > -1
x < -1
y > -1
y < -1
40
Solve the system of linear equations
(7,-17)
(3,3)
(-3,3)
no solution
41
Which equation matches the graph?
y= -x + 5
y= -x
y= x
y= x + 5
42
which system of linear equation is shown on this graph?
Y=x-2 & y=1x-3
y=x-1 & y=-2x+2
Y=1x+2 & y=2x-1
y=2x-1 & y=-x+2
43
Graph the linear inequality
d
b
a
c
44
WHICH OF THE FOLLOWING RELATIONS ARE FUNCTIONS?
{(4,5),(4,6),(4,7),(4,10)}
{(3,4), (5, -1),(0,4), (5,-1)}
{(3,4), (5,6), (0,4),(5,4)}
