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Worksheets

FFA - Benchmark 2 - practice

Total questions: 170

Worksheet time: 7hrs 22mins

Name
Class
Date
1.
Solve for x:
2x + 5 = 12
a)
7
b)
3
c)
3.5
d)
8.5
2.
Solve for x: 
4x + 1 = 7x - 5
a)
-1
b)
2
c)
6/11
d)
8
3.
Solve for x:
6(2x + 1) = 18
a)
3
b)
17/12
c)
1
d)
2
4.
Solve for x:
2(3x + 4) + 2 = 4 + 3x
a)
2
b)
-2/3
c)
10
d)
-2
5.
Solve for x:
8x + 2 + 3x + 5 = x + 12
a)
-1/2
b)
2
c)
-2
d)
1/2
6.
What is the first step to solve this equation:
11 - 3x = 44
a)
Add 3 to both sides
b)
Subtract 11 from both sides
c)
Add 11 to both sides
d)
Divide 3 on both sides.
7.
To solve an equation, the goal is to __________ the variable on one side.
a)
Evaluate
b)
Leviate
c)
Isolate
d)
Reciprocate
8.
Which definition best fits an equation?
a)
Mathematical statement containing one or more variables
b)
Mathematical statement containing numbers and operations
c)
Mathematical statement containing an equal sign ( = ).
d)
What's an equation?
9.

Which linear equation has infinitely many solutions?

a)

5x + 3 = 4x - 9

b)

3x + 2 = 2x + x + 5 - 3

c)

6x + 9 = 6x - 9

d)

2x + x - 3 = x + x + x + 12

10.

Which linear equation has no solution?

a)

3x + 5 = 3x + 5

b)

2x - 7 = x + x - 7

c)

2x + x + 3 = 3x + 8

d)

8x + 2 = 6x - 12

11.

Solve: −16 + 5x = −7(−6 + 8x) + 3

a)

x = 1

b)

x = -1

c)

x = -61/51

d)

x = 61/51

e)

no solution

12.

Solve the following equation:

−10n + 3(8 + 8n) = −6(n − 4)

a)

x = 1

b)

infinite solutions

c)

no solution

d)

n = 0

13.

Solve the following equation:

12(2k + 11) = 12(2k + 12)

a)

no solution

b)

k = 0

c)

infinite solutions

d)

k = 1/2

14.

Which of the following has infinite solutions?

a)

3x + 9 = 3x - 9

b)

2x + 14 = x + x - 7 -7

c)

x + x + 2x + 14 = 5x - x + 21 - 7

d)

x + 19 = 0

15.

Which of the following has one solution?

a)

3x + 9 = 2x + 18

b)

3x + 14 = 3x + 14

c)

2x - 7 = 2x - 7

d)

5x + 12 = 5x - 8

16.

The difference between an equation and an expression is that an _____________ contains an equal sign, whereas an _________________ does not.

a)

equation; expression

b)

expression; equation

17.

What is the first step to solve this equation:

11 - 3x = 44

a)

Add 3 to both sides

b)

Subtract 11 from both sides

c)

Add 11 to both sides

d)

Divide by 3 on both sides.

18.

Solve for x:

2 - 4x = 3x - 12

a)

x = 2

b)

x = -14

c)

x = 10

d)

x = -2

19.
6 - 3a = 21
a)
a= 9
b)
a= -9
c)
a= -5
d)
a= 5
20.
-3a + 8 = 14
a)
a= -2
b)
a= -7.5
c)
a= 2
d)
a= 6
21.
20 = 2 - a
a)
a= 18
b)
a= -18
c)
a= -10
d)
a= 12
22.
50 = 28.1 + 0.15a
a)
a= 150
b)
a= 146
c)
a= 6
d)
a= 155
23.
 6b = 30
a)
b = 36
b)
b = 5
c)
b = 24
d)
b = 180
24.
 Solve the equation for x.
1.6 + 0.4x = 3.4 - 0.2x 
a)
x = -3
b)
x = 3
c)
x = 0.3
d)
x = 1.8
25.
Solve:
6(5x - 3) + 2 = 14
a)
2
b)
.5
c)
-1
d)
1
26.
In slope intercept form (y=mx+b) what is the "m"?
a)
The y-intercept
b)
The x-intercept
c)
The slope (rate of change)
d)
A point
27.
In slope intercept form (y=mx+b) what is the "b"?
a)
The y-intercept
b)
The x-intercept
c)
The slope (rate of change)
d)
A point
28.
Which equation represents the following graph?
a)
y = 3x + 2
b)
y = -2x + 3
c)
y = 2x + 3
d)
y = -3x + 2
29.
What is the y-intercept for the given graph?
a)
-5
b)
5
c)
1
d)
-1
30.
Find the slope
a)
-5/3
b)
-3/5
c)
5/3
d)
3/5
31.
Which is the graph of y=-x+2?
a)
A
b)
B
c)
C
d)
D
32.
Identify the y-intercept for the function:
y=-3x
a)
-3
b)
0
c)
1
d)
-1
33.
Solve: -8x = -24
a)
-3
b)
32
c)
3
d)
16
34.
Pick the correct inequality.
a)
A
b)
B
c)
C
d)
D
35.
Solve the inequality.
x + 5 ≤ 13
a)
x ≥ 8
b)
x ≥ 18
c)
x ≤ 8 
d)
x ≤ 18 
36.
Pick the correct letter for:
6 > x
a)
A
b)
B
c)
C
d)
D
37.
Solve the literal equation for the given variable.
a)
2A/h
b)
2/(h)
c)
2Ah
d)
Ah/2
38.
S = 3F - 24  Solve for F
a)
F = (S + 24)/3
b)
F = S/3 + 24
c)
F = 3S + 24
d)
F = 3(S + 24)
39.
Solve for y:
8x + 4y= 16
a)
y = -8x + 16
b)
y = 2x -4
c)
y = -2x + 4
d)
y = -8x + 12
40.
Solve m - n = 5 for m.
a)
m = 5 + n
b)
m = -5 - n
c)
m = -5 + n
d)
m = 5 - n
41.
Solve -2 = 4r + s for s.
a)
s = -2 + 4r
b)
s = 2 - 4r
c)
s = -2 - 4r
d)
s = 2 + 4r
42.
Solve:
y = mx + b , for b
a)
y - mx = b
b)
y + mx = b
c)
y/mx = b
d)
y + mx = -b
43.
Solve for x. 
z = xy
a)
x = z/y
b)
x = y/z
c)
x = yz
d)
y = xz
44.
Solve:
4x + 2y = 1      , for    y
a)
y = -2x + ½
b)
y = 2x - ½
c)
y = 2x + ¼
d)
y = -2x + ¼
45.
Solve:
C = 2πr, for r
a)
C/(2π) = r
b)
C + 2π = r
c)
C - 2π = r
d)
2πC = r
46.
What should we do first to solve for x?
y=mx+b
a)
Add
b)
Subtract
c)
Multiply
d)
Divide
47.
Which of these represents point-slope form of a linear equation?
a)
y - y1 = m(x - x1)
b)
Ax + By = C
c)
y = mx + b
48.
For the equation
y - 3 = 2(x + 4),
the line has a slope of 2 and contains what point?
a)
(-4, 3)
b)
(3, -4)
c)
(-3, -4)
d)
(-4, -3)
49.
Write the equation in point-slope form of the line that passes through the given point and has the given slope.
(4, -7); m = -1/4
a)
y +7 = -1/4(x - 4)
b)
y - 4 = -1/4(x + 7)
c)
y+ 7 = 4(x - 4)
d)
y - 7 = -1/4(x - 4)
50.
Write the equation in point-slope form of the line that passes through the given point and has the given slope:
 (-2, -1); m= -3
a)
y + 1 = -3(x - 2)
b)
y + 1 = -3(x + 2)
c)
y - 1 = 3(x - 1)
d)
y + 2 = -3(x + 1)
51.
a)
y=2x+7
b)
y=-3x-5
c)
y=2x-1
d)
y=2x+6
52.
Find the slope of the line that passes through (10, -8) and (1, 12).
a)
20/9
b)
-20/9
c)
4/9
d)
9/4
53.
What is the y-intercept in the equation y= -2x + 5
a)
-2
b)
3
c)
5
d)
Cannot be Determined
54.
Which equation is in Slope Intercept Form?
a)
y=mx+b
b)
Ax+By=C
c)
y=⅓x + 10y
d)
5x + 10x = 100
55.
What needs to be moved first when converting from Slope Intercept to Standard Form, for y=½x +10?
y=mx+b  ---> Ax+By=C
a)
subtract 10
b)
add 10
c)
subtract ½x
d)
add ½x
56.
Write the equation below in standard form
y = 2/3 x +5
a)
-2/3x+y=5
b)
-4x+6y=15
c)
2x-3y=-15
d)
-2x+3y=15
57.
Write the equation in point-slope form for the line that contains the points
(-2, -3), (4, 3)
a)
y - 3 = 1(x - 2)
b)
y + 3 = 1(x + 2)
c)
y -3 = -1(x + 2)
d)
y + 3 = -1(x - 2)
58.
convert to slope intercept form:
y - 5 = 5(x + 4)
a)
y = 5x - 5
b)
y = 5x - 2
c)
y = 5x + 25
59.
Write the equation in point-slope form of the line that passes through the given point and has the given slope.
(4, -7); m = -1/4
a)
y + 7 = -1/4(x - 4)
b)
y - 4 = -1/4(x + 7)
c)
y + 7 = 4(x - 4)
d)
y - 7 = -1/4(x - 4)
60.
What is happening in this graph from point B to C?
a)
The object is going down a hill.
b)
The object is returning to its starting location.
c)
The object is slowing down.
d)
The object is staying still.
61.
What is happening in this graph from point A to B?
a)
The object is accelerating.
b)
The object is not moving.
c)
The object is decelerating.
d)
The object is moving at a constant speed.
62.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
63.
Describe the situation.
a)
Sales decrease quickly at a constant rate, and then increase slowly at a constant rate.
b)
Sales stay constant, then decrease at a constant rate, and increase slowly.  
64.
2.  Slowly decreases at a CONSTANT rate
a)
C
b)
A
c)
F
d)
D
65.
Taylor  is riding her bike to the store. Which best describes her trip along section E?
a)
Stopping
b)
Heading to the store
c)
Heading home
d)
At the store
66.
Dave is hiking on a mountain.  The graph shows his decent from the peak of the mountain. Which best describes his actions along B?
a)
Climbing down the mountain
b)
Climbing up the mountain
c)
Stopped for bird watching
d)
Base Jumping
67.
Is this function linear or nonlinear?
a)
Linear
b)
Nonlinear
68.
Is the graph pictured a linear or nonlinear function?
a)
Linear
b)
Nonlinear
69.
Which graph(s) show nonlinear functions?
a)
Graph I, only
b)
Graph II, only
c)
Graph I and Graph II, only.
d)
Graph I, Graph II, and Graph III
70.
Is the function linear or nonlinear?
a)
Linear
b)
Nonlinear
71.
Is the function linear or nonlinear?
a)
Linear Function
b)
Nonlinear Function
72.
Is the function linear or nonlinear?
a)
Linear
b)
Nonlinear
73.
Which company shows a greater rate of change?
a)
Water's Edge Rafts
b)
Ryan's Rafts
74.
Jimmy was going on vacation. His parents drove the first day and went 390 miles in 6 hours. The next day they drove for 8 hours and went 520 miles. What was their constant rate of speed?
a)
y=65x
b)
y=60x
c)
y=40x
d)
y=25x
75.
Solve the system of equations using substitution:
y = 4
-x + 3y =8
a)
(4, 4)
b)
(4, -4)
c)
(-4, 4)
d)
(-20, 4)
76.
Will the solution (-3, -7) make the following system of equations a true statement? 
y = 4x + 5
y = x – 4
a)
YES
b)
NO
77.
Solve by elimination:
7x+y=-9

-3x-y=5
a)
No solution
b)
(1,8)
c)
(-2,-3)
d)
(-1,-2)
78.
Solve by elimination
-6x + 5y = 1
6x + 4y = -10
a)
(1,-1)
b)
(0,-1)
c)
(1,1)
d)
(-1,-1)
79.
Solve by elimination:
4x+9y=28
-4x-y=-28
a)
(-7,0)
b)
(6,0)
c)
(-6,0)
d)
(7,0)
80.
Solve by elimination:
4x+4y=4

3x+4y=10
a)
(7,-6)
b)
(-6,7)
c)
(6,7)
d)
(7,6)
81.

What would be the first step in finding the solution using elimination?

2x + 2y = -2

3x - 2y = 12

a)

you cannot solve this using eliminiation

b)

cross out the 2x and 3x

c)

cross out the 2y and -2y

d)

change to slope intercept form and graph

82.
What is the type of correlation?
a)
Negative 
b)
no association
c)
positive 
83.
What type of correlation does this graph have?
a)
positive 
b)
negative
c)
none
d)
all of the above
84.
What type of correlation does this graph have?
a)
positive
b)
negative
c)
none
d)
all of the above
85.
What type of correlation does this graph show?
a)
Positive
b)
negative
c)
none
d)
all of the above
86.
What type of correlation does this scatter plot show?
a)
positive linear association
b)
negative linear association
c)
no association
d)
nonlinear association
87.
What type of correlation does this scatter plot represent?
a)
positive linear association
b)
negative linear association
c)
no association
d)
nonlinear association
88.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 140 pages. 
a)
12 chapters
b)
19 chapters
c)
14 chapters
d)
21 chapters
89.
You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?
a)
As x increases, y decreases
b)
As x increases, y increases
c)
As x decreases, y decreases
90.
Describe the correlation in the graph shown.
a)
Strong Negative
b)
Strong Positive
c)
Weak Negative
d)
Weak Positive
91.
What type of correlation does this graph have?
a)
strong positive
b)
weak positive
c)
none
d)
all of the above
92.
Calculate the quadratic regression function for this table of values to the nearest tenth.
a)
f(x) =
 2x2 - 9x + 10
b)
f(x)=
 3x2 + 9x - 10
c)
f(x) =
 3.1x2 - 9.2x - 10.3
d)
f(x) =
2.1x2 - 8.6x + 10.1
93.
What is the domain of the graph?
a)
1≤ x ≤ 4
b)
1 < x < 4
c)
1≤ y ≤ 4
d)
1 < y < 4
94.
What is the range of the graph?
a)
1 ≤ x ≤ 5
b)
1 < x < 5
c)
1 ≤ y ≤ 5
d)
1 < y < 5
95.
a)
Function
b)
Not a Function
96.
a)
Function
b)
Not a Function
97.
Given f(x) = -4x - 10 and f(x) = 10. Find x
a)
x = -5
b)
x = 5
c)
x = -50
d)
x = 30
98.
If f(x)=6x2-4,
what is f(1)?
a)
13
b)
0
c)
12
d)
2
99.
Let w(x) = 3x - 7. If w(x) = 14, find x.
a)
7
b)
35
c)
2.33333
d)
-49
100.
The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?
a)
After 5 week the plant is 4 inches tall
b)
The plant grows at a rate of 5/4 inch per week
c)
After 4 weeks the plant is 5 inches tall
d)
The plant grows at a rate of 1 inch per week
101.
The function c(m) = 1.45m + 3.50 represents the cost of a taxi for m miles.
What does c(m) represent?
a)
Total Cost of a taxi
b)
Total Miles in taxi
102.
Find the function rule for the function table.
a)
2/n
b)
n + 2
c)
2n
d)
n - 2
103.
Patrick earns $20 for every lawn that he mows. Write an equation used to find t, the total amount of money he earns from mowing n lawns.
a)
n = 20t
b)
t = 20n
c)
t = n + 20
d)
t = n - 20
104.
Find the function rule.
a)
 2x
b)
2x+3
c)
3x+3
d)
2x+3
105.
Find the function rule.
a)
y = 5x -4
b)
y = 5x + 4
c)
y = 4x + 5
d)
y = 4x -5
106.
Erika has a savings account that has $125. She starts saving $5 per week for a new iPhone. Write a function to represent the total amount Erika has in her savings account. How much money will she has after 10 weeks?
a)
f(x) = 125x + 5
b)
f(x) = 5x + 125
c)
f(x) = 125x - 5
d)
f(x) = 5x - 125
107.
Give the domain and range. Tell if it is a function.
a)
D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Function
b)
D: {-4, -2, 0, 2}
R: {-2, 1}
Function
c)
D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Not a Function
d)
D: {-4, -2, 0, 2}
R: {-2, 1}
Not a Function
108.
What are the missing numbers?
a)
4, 6, 8, 10, 12
b)
2, 4, 6, 8, 10
c)
3, 5, 7, 9, 11
d)
3
109.
Which equation matches the table?
a)
y = x + 5
b)
y = 5x
c)
y = x - 5
d)
x = y - 5
110.
Identify the graph.
a)
Non-Linear Functions
b)
Linear Function
c)
Not A Function
d)
A Sad Face
111.

Create the function rule from the ordered pairs.


Ordered pairs:

{ (2, 10), (3, 15), (5, 25), (6, 30) }

a)

f(x) = (1/5)x

b)

f(x) = 5x

c)

f(x) = 3x + 4

d)

f(x) = 3x - 4

112.

Complete the table.

a)

8, 10, 12, 14

b)

-2, 0, 2, 4

c)

2, 4, 6, 8

d)

None of the above.

113.
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
114.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function
115.
Is this graph a function or not a function? 
a)
Function 
b)
Not a Function
116.
Which graph does NOT pass the vertical line test?
a)
Graph 1
b)
Graph 2
c)
Graph 3
d)
Graph 4
117.
a)
Function
b)
Not a Function
118.
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
a)
D: {1, -3, -4,}
R: {0, 1, 2, -4}
b)
D: {-4, 0, 1, 2}
R:{-4, -3, 1}
c)
D: {0, 1, 2, 3, 4}
R:{1, -3, -4}
d)
D: {0, 1, 2, -4}
R: {1, -3, -4, 1}
119.
a)
{1, 2, 3, 4, 5}
b)
{-1, 1, 2, 3}
c)
{1, 2, 3, 5}
d)
[1, 5]
120.
All of the y values or outputs are called what?
a)
Domain
b)
Range
c)
Relation
d)
Function
121.
What is the range of the following relation:
(9, -2) (4, 3)  ( 8, 10) ( -4, 8)
a)
{-4, 4, 8, 9}
b)
{-2, 3, 8, 10}
c)
{(9, -2) ( 4, 3)}
d)
{(8, 10) (-4, 8)}
122.

Which table of values represents a linear relationship?

a)
b)
c)
d)
123.

Which chart could represent the function f(x) = -2x + 6?

a)
b)
c)
d)
124.
Is this graph a function or not a function? 
a)
Function 
b)
Not a Function 
125.
What type of slope does the graph have?
a)
Positive
b)
Negative
c)
Zero Slope
d)
Undefined
126.
Slope is know as rise/
a)
run
b)
fall
c)
none
d)
rise
127.
Slope is know as rise/
a)
run
b)
fall
c)
none
d)
rise
128.
What type of slope does the graph have?
a)
Positive
b)
Negative
c)
Zero Slope
d)
Undefined
129.
What type of slope does the graph have?
a)
Zero
b)
Undefined
c)
Negative
d)
Positive
130.
What type of slope does the following graph have?
a)
Postive
b)
Negative
c)
Zero Slope
d)
Undefined
131.
In the equation y=mx+b, what does the m represent?
a)
slope
b)
y-intercept
c)
linear
d)
point-slope
132.
Find the slope of the line that passes through (10, -8) and (1, 12).
a)
20/9
b)
-20/9
c)
4/9
d)
9/4
133.
What is the slope in the equation y=2x + 3?
a)
2
b)
3
c)
5
d)
Cannot be Determined 
134.
What does 'b" represent in y=mx+b
a)
y-intercept
b)
macaroni
c)
nothing
d)
slope
135.
Find the slope
a)
-5/7
b)
7/5
c)
-7/5
d)
5/7
136.
What is the y-intercept in the equation y= -2x + 5
a)
-2
b)
3
c)
5
d)
Cannot be Determined
137.
What is the y-intercept in the equation y= -2x + 5
a)
-2
b)
3
c)
5
d)
Cannot be Determined
138.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
139.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
140.
What is the slope of the line with the equation y - 5x = 11?
a)
-5
b)
11
c)
5
d)
-11/5
141.
Find the x and y intercepts
4x - 5y = 40
a)
x intercept is 10 
y intercept is 8
b)
x intercept is 10
y intercept is 20
c)
x intercept is 8
y intercept is 10
d)
x intercept is 10
y intercept is -8
142.
What is the y-intercept?
a)
12
b)
-3
c)
8
d)
0
143.
Which of the following has a y-intercept of 3?
a)
y = 3x +2
b)
x=3
c)
y=2x+3
d)
y=x
144.
Calculate the slope.
a)
m=-4/3
b)
m=4/3
c)
m=-3/4
d)
m=3/4
146.
What is the rate of change?
a)
time on a graph
b)
points 
c)
slope 
d)
nonsense 
146.
What is the rate of change?
a)
time on a graph
b)
points 
c)
slope 
d)
nonsense 
147.
What is the rate of change?
a)
time on a graph
b)
points 
c)
slope 
d)
nonsense 
148.
what is the correct way to find the slope of the line?
a)
Rise/Run (Rise over Run)
b)
Run/Rise (Run over Rise)
c)
Slope/Run (slope over Run)
d)
Rise/Slope (Rise over slope)
149.
Slope is written as a(n) ________.
a)
Ordered Pair (x, y)
b)
Fraction
150.

The larger right triangle has

a)

a longer slope than the smaller right triangle

b)

the same slope as the smaller right triangle

c)

a smaller slope than the smaller right triangle

151.
Which statement best describes the relationship between x and y in the table?
a)
Proportional
b)
Not Proportional
152.
What is the unit rate in this proportional relationship?
a)
60 miles/1 hour
b)
120 miles/ 2 hours
c)
1 mile/ 1 hour
153.
Is this table proportional?
a)
Yes
b)
No
154.
Is this graph proportional?
a)
Yes
b)
No
155.
Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?
a)
$1.00 per pound
b)
$3.60 per pound
c)
$1.20 per pound
d)
$1.10 per pound
156.
Do the ratios form a proportion?
a)
Yes, they form a proportion.
b)
No, they do not form a proportion.
157.
Is the representation linear or non-linear? 
a)
Linear
b)
Non-Linear
158.
Is the representation linear or non-linear? 
a)
Linear
b)
Non-Linear
159.
Is the representation linear or non-linear? 
a)
Linear
b)
Non-Linear
160.
Is the representation linear or non-linear? 
a)
Linear
b)
Non-Linear
161.
Is the representation linear or non-linear? 
a)
Linear
b)
Non-Linear
162.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
163.
What is the average speed of the person during the first 5 seconds?
a)
0 m/s
b)
1 m/s 
c)
3 m/s
d)
6 m/s 
164.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
165.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
166.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
167.
Describe the situation. 
a)
Grams Decrease at a decreasing rate.
b)
Grams decrease at a constant rate.
168.
Find the 22nd term of the following sequence:
5, 8, 11, ...
a)
14
b)
68
c)
63
d)
71
169.
Identify the common difference.
97, 86, 75, 64, ...
a)
8
b)
11
c)
-11
d)
-8
170.
Is the sequence arithmetic: 37, 31, 25, 19, ...
a)
Yes
b)
No