WorksheetsAlgebra Midterm Review (part 3)
Total questions: 16
Worksheet time: 49mins
Name
Class
Date
1.
What kind of correlation?
a)
Positive
b)
Negative
c)
No
2.
What kind of correlation?
a)
Positive
b)
Negative
c)
No
3.
What kind of correlation?
a)
Positive
b)
Negative
c)
No
4.
Estimate the correlation coefficient for this scatterplot.
a)
A) r = 1.2
b)
B) r = 0.89
c)
C)r = 0
d)
D) r = -0.89
5.
Estimate the correlation coefficient for this scatterplot.
a)
A) r = -0.9
b)
B) r = 1
c)
C) r = 0.9
d)
D) r = -1
6.
Is this table a function or not a function?
a)
Function
b)
Not a Function
7.
What is the definition of function?
a)
Has inputs and outputs
b)
Every input has only ONE output
c)
Inputs have different outputs every time
d)
x-values and y-values
8.
Find the slope of the line that passes through the points (2, 4) and (6, 12)
a)
1/2
b)
-1/2
c)
2
d)
-2
9.
Find the slope of the line that passes through
(10, 1) and (5, 2)
(10, 1) and (5, 2)
a)
1/5
b)
-1/5
c)
5
d)
-5
10.
Which of these represents slope-intercept form?
a)
y - y1 = m(x-x1)
b)
Ax + By = C
c)
y = mx + b
11.
What is the slope in the equation: y - 4x= 3
a)
3
b)
4x
c)
4
d)
x
12.
Which of these lines has a slope of -3?
a)
A
b)
B
c)
C
d)
D
13.
Find the common difference: 29, 21, 13, 5, ...
a)
d = -10
b)
d = -9
c)
d = -8
d)
d = -7
14.
Is the sequence arithmetic: 37, 31, 25, 19, ...
a)
Yes
b)
No
15.
Given the sequence:
25, 21, 17, 13,...
Write the explicit equation that models the sequence.
25, 21, 17, 13,...
Write the explicit equation that models the sequence.
a)
an = 4n + 29
b)
an = -4n + 25
c)
an = -4n + 29
d)
an = 4n + 25
16.
Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint: Write your formula and then simplify it.)
2, 8, 14, ...
(Hint: Write your formula and then simplify it.)
a)
an=2+6n
b)
an=-6+6n
c)
an=6n-4
d)
an=4-6n
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