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SHS Practice Algebra EOC

Total questions: 144

Worksheet time: 10hrs 12mins

Name
Class
Date
1.

Find the slope of the line that passes through the points (2, 4) and (6, 12)

(a)  

2.

Find the slope of the line.

(a)  

3.
Which of these lines has a slope of -3?
a)
A
b)
B
c)
C
d)
D
4.
Is the relation a function? Why.
a)
Yes, because the x-value 11 has two y-values pair with it.
b)
Yes, because each x-value has only one y-value paired with it.
c)
No, because the x-value 11 has two y-values pair with it.
d)
No, because each x-value has only one y-value paired with it.
5.
Is this table a function or not a function? 
a)
Function
b)
Not a Function
6.
Is this graph a function or not a function? 
a)
Function 
b)
Not a Function
7.

What is  f(0)f\left(0\right)   for the function f(x)=2x+3f\left(x\right)=2x+3  

a)

2x

b)

-3

c)

3

d)

10

8.
Evaluate f(5)
a)
1
b)
10
c)
13
d)
16
9.

Find f(6)

a)

10

b)

15

c)

20

d)

25

10.
Does this graph have a maximum or minimum value?
a)
maximum
b)
minimum
c)
neither
d)
both
11.

What are the x-intercepts of the graph?

a)

(2, 0)

b)

(0, -2)

c)

(-1.225, -4.25) and (1.225, -4.25)

d)

(-1.887, 0) and (1.887, 0)

12.

What is the y-intercept of the graph?

a)

(-2,5)

b)

(1,0)

c)

(0,1)

d)

(-3.104, 0)

13.

What best describes the increasing/decreasing of the graph?

a)

decreasing, increasing

b)

decreasing, increasing, decreasing

c)

increasing, decreasing, increasing

d)

increasing, decreasing

14.

When is the function decreasing?

a)

(30, 55)

b)

(40, 60]

c)

(15, 40)

d)

(60, -40)

15.
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain.
Remember:  Domain is x 
(x,y)
a)
D: {1, -3, -4,}
R: {0, 1, 2, -4}
b)
D:{0, 1, 2, -4}
R:{1, -3, -4}
c)
D:{0, 1, 2, 3, 4}
R:{1, -3, -4}
16.
What is the range of the graph?
Remember: Range is y! 
a)
1 ≤ x ≤ 5
b)
1 < x < 5
c)
1 ≤ y ≤ 5
d)
1 < y < 5
17.
What is the domain of the graph?
Remember:   Domain is the "x" values from left to right
a)
-7 ≤ x < 5
b)
-3 ≤ x < 1
c)
-3 ≤ y < 1
d)
-7 ≤ y < 5
18.
What is the DOMAIN of this graph? 
Remember DOMAIN is "x" values that go left to right. 
a)
-4 ≤ x ≤ 3
b)
-1 ≤ x ≤ 4
c)
4 < x < 3
d)
-1 < x < 4
19.
IS THIS GRAPH DISCRETE AND CONTINUOUS? 
a)
CONTINUOUS
b)
DISCRETE
20.

Choose the correct inequality for this graph.

a)
b)
c)
d)
21.

Which of the following is the graph of y≥ -3x +4

a)

b)

c)

d)

22.

What graph matches this inequality?

a)
b)
c)
d)
23.

Yellow Cab Taxi charges a $1.75 flat rate in addition to $0.65 per mile. Katie has no more than $10 to spend on a taxi ride.


Which inequality best describes how many miles Katie can ride in this taxi?

a)

1.75 + 0.65m < 10

b)

1.75 + 0.65m > 10

c)

1.75m + 0.65 < 10

d)

1.75m + 0.65 > 10

24.

The Starlight Bowling Alley charges $6 to rent shoes and $8 per game. Cameron has only $42 to spend. Which inequality represents this scenario if “x” represents the number of games Cameron can play?

a)

6x + 8 ≥ 42

b)

8x + 6 ≤ 42

c)

6x + 8 > 42

d)

8x + 6 < 42

25.
Write the linear inequality in standard form for this situation: The CRHS science department can spend no more than $2700 on textbooks this year. The department needs to buy both Biology text books, which cost $57 each, and Chemistry textbooks, which cost $72 each.
a)
57x + 72y ≥ 2700
b)
57x + 72y > 2700
c)
57x + 72y < 2700
d)
57x + 72y ≤ 2700
26.
Write the linear inequality in standard form for this situation: A landscaping business is purchasing plants from a nursery to finish a project. It will cost $14 each to buy each tree and $5 each to buy each bush. The landscaper wishes to keep the spending under $1000.
a)
14x + 5y ≥ 1000
b)
14x + 5y < 1000
c)
14x + 5y  ≤ 1000
d)
14x + 5y > 1000
27.
Is (-2,4) a solution to the system?
a)
Solution
b)
Not a solution
28.
Which point is a solution?
a)
(0, 6)
b)
(-3, 4)
c)
(1, 0)
d)
(-4, 3)
29.
Which system of inequalities is shown?
a)
y ≥ -x - 1
y < x + 4
b)
y < -x - 1
 y ≥ x + 4
c)
y > -x - 1
y ≥ x + 4
d)
y > -x - 1
y ≥ x + 3
30.

Solve the system of inequalities by graphing.

a)
b)
c)
d)
31.

Which system of inequalities matches the graph?

a)

x> -2 and y < -4

b)

x< 2 and y> 4

c)

x > 2 and y < 4

d)

x > 2 and y <- 4

32.

Luka and Dana are making cookies for the Westland Pantry. They only have up to 6 hours to bake! They can bake 32 chocolate chip cookies in an hour (x), and 20 snickerdoodle cookies in an hour (y). They need to make at least 150 cookies. Which inequalities represent the situation?

a)

x + y ≥ 6
32x + 20y ≤ 150

b)

x + y ≥ 632
x + 20y ≥ 150

c)

x + y ≤ 6
32x + 20y ≤ 150

d)

x + y ≤ 6
32x + 20y ≥ 150

33.

Cole is doing a basketball challenge for charity. In order to win money for the charity, he needs to score at least 20 points in less than 10 shots. If x is the number of 2-point shots, and y is the number of three point shots, which inequalities below represent the situation?

a)

x + y < 10

2x + 3y ≥ 20

b)

x + y ≤ 10

2x + 3y ≥ 20

c)

x + y ≤ 10

2x + 3y > 20

d)

x + y < 10

2x + 3y > 20

34.
Is the number rational or irrational?
a)
Rational
b)
Irrational
35.
Is the number rational or irrational?
a)
Rational
b)
Irrational
36.
Is the number rational or irrational?
a)
Rational
b)
Irrational
37.
Is the number rational or irrational?
a)
Rational
b)
Irrational
38.
Is the number rational or irrational?
a)
Rational
b)
Irrational
39.

√125 =

a)

5√5

b)

25√5

c)

5√25

d)

5√2

40.

√216 =

a)

6√4

b)

4√6

c)

36√6

d)

6√6

41.
Simplify 
3√18 - 2√2
a)
7√2
b)
√16
c)
√2
d)
Already simplified 
42.
Simplify 
3√5 + √20 - √45
a)
3√-20
b)
2√-20
c)
3√5
d)
2√5
43.
-3√24 - √18 - 2√54=
a)
-12√5 - 3√2
b)
-12√6 - 3√2
c)
-3√2+ 12√3
d)
3√2
44.

Write the equation of the quadratic function in Intercept Form using the x-intercepts and ANY point on the graph.. Remember: Intercept form is written as y = a(x-p)(x-q)

a)

y =(x - 1)(x - 3)

b)

y = -1/2(x - 1)(x + 3)

c)

y = 2(x + 1)(x - 3)

d)

y = - 1(x - 1)(x - 3)

45.

What are the green dots called?

a)

axis of symmetry

b)

vertex

c)

parabola

d)

x-intercepts

46.
What are the x-intercepts?
a)
0 and 2
b)
-4 and 0
c)
2 and 3
d)
0 and 4
47.

What are the x- intercepts?

a)

x= 0 and x= -4

b)

x= 0 and x= 4

c)

x = 2 and x = -2

d)

x= 2

48.

What is the quadratic function for the graph in intercept form?

a)

y = (x - 2)(x - 6)

b)

y = - (x - 2)(x - 6)

c)

y = (x + 2)(x + 6)

d)

y = (x + 4)(x - 4)

49.

Write an equation of this graph in intercept (factored) form.

a)

h(x) = (x - 1)(x + 3)

b)

h(x) = (x + 1)(x - 3)

50.

What is a quadratic function in factored (intercept) form with x-intercepts of 5 and -2

a)

f(x) = x2 + 3x -10

b)

f(x) = (x + 5)(x - 2)

c)

f(x) = (x - 5)(x + 2)

d)

f(x) = (x + 1.5)2 - 12.25

51.
Find the zero(s) of the function.
a)
x = 1
b)
x = -3
c)
x = {-1, 3}
d)
x = 2
52.
What are the factors of x2-8x-48
a)
(x-12)(x+4)
b)
(x+12)(x-4)
c)
(x+12)(x+4)
d)
(x-12)(x-4)
53.

Write the equation of the quadratic function in Intercept Form using the x-intercepts and ANY point on the graph.. Remember: Intercept form is written as y = a(x-p)(x-q)

a)

y =(x - 1)(x - 3)

b)

y = -1/2(x - 1)(x + 3)

c)

y = 2(x + 1)(x - 3)

d)

y = - 1(x - 1)(x - 3)

54.

What are the green dots called?

a)

axis of symmetry

b)

vertex

c)

parabola

d)

x-intercepts

55.
What are the x-intercepts?
a)
0 and 2
b)
-4 and 0
c)
2 and 3
d)
0 and 4
56.

What are the x- intercepts?

a)

x= 0 and x= -4

b)

x= 0 and x= 4

c)

x = 2 and x = -2

d)

x= 2

57.

What is the quadratic function for the graph in intercept form?

a)

y = (x - 2)(x - 6)

b)

y = - (x - 2)(x - 6)

c)

y = (x + 2)(x + 6)

d)

y = (x + 4)(x - 4)

58.

Write an equation of this graph in intercept (factored) form.

a)

h(x) = (x - 1)(x + 3)

b)

h(x) = (x + 1)(x - 3)

59.

What is a quadratic function in factored (intercept) form with x-intercepts of 5 and -2

a)

f(x) = x2 + 3x -10

b)

f(x) = (x + 5)(x - 2)

c)

f(x) = (x - 5)(x + 2)

d)

f(x) = (x + 1.5)2 - 12.25

60.

What are the x-intercepts for g(x) = (x + 8)(x + 2)

a)

8 and 2

b)

(8, 2)

c)

-8 and - 2

d)

(-8, -2)

61.
Find the zero(s) of the function.
a)
x = 1
b)
x = -3
c)
x = {-1, 3}
d)
x = 2
62.
Find the factors of 4x2-16x-9
a)
(2x-9)(2x+1)
b)
(2x+9)(2x-1)
c)
(4x-1)(x+9)
d)
(x+1)(4x-9)
63.
Find the factors of x2-81
a)
(x-9)(x+9)
b)
(x+9)(x+9)
c)
(x-9)(x-9)
d)
Can't be factored
64.
What are the factors of x2-8x-48
a)
(x-12)(x+4)
b)
(x+12)(x-4)
c)
(x+12)(x+4)
d)
(x-12)(x-4)
65.
What are the factors of x2+3x-40
a)
(x+10)(x-4)
b)
(x+8)(x-5)
c)
(x+20)(x-2)
d)
(x+1)(x-3)
66.
What are the factors of 3x2-17x+10
a)
(x-5)(3x-2)
b)
(x+5)(3x+2)
c)
(3x-5)(x-2)
d)
(x+5)(3x-2)
67.

Factor:

x2 + 11x + 24

a)

(x + 6)(x + 4)

b)

(x + 12)(x + 2)

c)

(x - 8)(x - 3)

d)

(x + 8)(x + 3)

68.
An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation 
s(t) = –16t2 + 64t + 80.
What will be the object's maximum height? 
a)
2 ft
b)
80 ft
c)
144 ft
d)
64 ft
69.

A lizard is jumping across the water in search of food. The equation h = -12t2 + 6t models the lizard's height in feet above the water t seconds after he jumps. How long after jumping is he back on the water?

a)

0.1 seconds

b)

0.25 seconds

c)

0.50 seconds

d)

0.75 seconds

e)

1 second

70.

The function f(t) = -5t2+20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground?

a)

4 seconds

b)

-2 seconds

c)

6 seconds

d)

9 seconds

71.
If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second, then its height h after t seconds is given by the equation
h(t) = -16t2 +128t  
When will the object reach its maximum height?
a)
4 ft
b)
0 seconds
c)
0 ft
d)
4 seconds
72.
A ball is thrown into the air with an upward velocity of 100 ft/s. Its height, h, after t seconds is given by the function
 h = -16t2 + 64t + 960.
How many seconds did it take for the ball to reach its maximum height?
a)
10 seconds
b)
64 seconds
c)
960 seconds
d)
2 seconds
73.

The length of a rectangular garden is 10 yards more than its width. If the area of the garden is 600 square yards, find the length & width of the garden.

a)

The length is 30 & the width is 20

b)

The length is 20 & the width is -30

c)

The length is 60 & the width is 10

d)

The length is 24 & the width is 25

74.
What is a, the starting term, for the function: f(x) = 300(1.16)x?
a)
300
b)
1.16
c)
.16
d)
x
75.
The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the decay factor?
a)
.08
b)
1.08
c)
.92
d)
8
76.
Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
a)
y = 15(35)x
b)
y = 15(1.35)x
c)
y = 15(0.35)x
d)
y = 35(1.15)x
77.
Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)6
a)
Growth
b)
Decay
78.
Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)3
a)
Growth
b)
Decay
79.
Is the pictured graph growth, decay, or linear or none?  
a)
Exponential Growth
b)
Exponential Decay
c)
Linear
d)
None
80.
Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.
a)
y=5000(0.7)x
b)
y=30(5000)x
c)
y=5000(1.3)x
d)
y=5000xx
81.
The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?
a)
9766
b)
9006
c)
9765
d)
5433
82.
Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.
a)
y=6(0.14)x
b)
y=6(1+14)x
c)
y=6(1.14)x
d)
y=6(0.86)x
83.
Identify the y-intercept (initial value) in the function f(x)=13(.27)x
a)
(.27)x
b)
.27
c)
13
d)
3.51
84.

In an exponential function, what does the 'a' represent?

a)

SLOPE

b)

RATE OF CHANGE

c)

Y-INTERCEPT

d)

COMMON RATIO

85.
What type of function is f(x)=2(1/7)x ?
a)
Exponential Growth
b)
Linear
c)
Exponential Decay
d)
None of the Abovee
86.

Given y=3x determine the y-intercept

a)

1

b)

3

c)

0

d)

y

87.
What type of function is y = 7(5/4)x?
a)
Exponential Growth
b)
Exponential Decay
c)
Linear
d)
None of the above
88.

What is the asymptote of this function?

a)

y = 0

b)

y = 5

c)

y = 2

d)

y = 1

89.

Pick the equation that is exponential decay

a)

y = 2000(0.88)x

b)

y = 0.5(1.88)x

c)

y = 10(3/2)x

d)

y = 0.8(13)x

90.

Which function will show exponential behavior?


F(x) = (4.3)x 

or

G(x) = 4.3x + 9

a)
F(x)
b)
G(x)
c)
both
d)
neither
91.
To solve 8 = 25x+7, you would need to re-write 8 as what base?
a)
8
b)
4
c)
2
d)
Cannot be determined
92.
Solve for x:
9x+8 = 81
a)
2
b)
-6
c)
6
d)
8
93.

How many hours does a typical teen spend on social media a day?

a)

4 hours

b)

7 hours

c)

9 hours

d)

11 hours

94.
Karla invested $1,000 in savings bonds. If the bonds earn 6.75% interest compounded semi-annually, how much total will Karla earn in 15 years?
a)
$1,584.62
b)
$2,651.39
c)
$2,706.86
d)
$1,825.10
95.
Emily would like to buy some new furniture for her home. She decides to buy the furniture on credit with 9.5% interest compounded quarterly. If she spent $7,400, how much total will she have paid after 8 years.
a)
$15,415.94
b)
$15,683.28
c)
$15,927.56
d)
$16,109.05
96.
Monthly means how many times a year?
a)
4 
b)
12
c)
52
d)
365
97.
Principal: $999
Interest Rate: 5.45%
Time: 19 years
Compounded Quarterly
State the future account balance.
a)
$2794.10
b)
$2738.11
c)
$2774.98
d)
$2807.11
98.
Principal: $5000
Interest Rate: 3.75%
Time: 25 years
Compounded Monthly
State the future account balance.
a)
$12712.31
b)
$12,749.30
c)
$12,657.59
d)
$12550.84
99.
Jay'den earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% compounded annually. What will be his balance after 15 year?
a)
$827.52
b)
$831.10
c)
$839.45
d)
$846.80
100.
The Arnold's took out a loan for $195,000 to purchase a home. At a 4.3% interest rate compounded annually, how much total will they have paid after 30 years?
a)
$412,749.79
b)
$529.305.61
c)
$689,546.99
d)
$640,891.53
101.
Change 6.75% to a decimal.
a)
67.5
b)
.675
c)
675
d)
.0675
102.
Courtney saved up $2,200 working as a waitress over the summer. She put this money into a bank account that earned 5.2% interest and is compounded daily. How much will she have in her account at the end of 4 years?
a)
$2201.25
b)
$2694.55
c)
$2707.45
d)
$2708.63
103.

Find the midpoint of the segment with the endpoints:(6, 7) and (6, -5)

a)

(0, -1)

b)

(6, 1)

c)

(1, 6)

d)

(0, 1)

104.
Find the midpoint of the segment with the endpoints:(1, 7) and (9, 0) 
a)
(4, 3.5)
b)
(3.5, 5)
c)
(3.5, 4.5)
d)
(5, 3.5)
105.
Find the distance between the points:  (-3, -4) and (5, 5)
a)
11.8
b)
14.4
c)
12
d)
19
106.
Find the distance between (-3, -11) and (8, -42).
a)
32.1
b)
32.3
c)
32.7
d)
32.9
107.
Find the distance between J and K.
a)
8.2
b)
7.7
c)
9
d)
10.2
108.
Find the direct distance between the court house and the town hall.
a)
26
b)
6.8
c)
10
d)
7.2 km
109.
If two lines are parallel their slopes are  ____________
a)
the same.
b)
negative reciprocals of each other.
110.
Are these lines parallel?
y = 12x + 4
y = 12x +14
a)
YES
b)
NO
111.

Are these lines parallel?

y = (-1/2)x + 1

y = (1/2)x - 5

a)

YES

b)

NO

112.

If two lines are perpendicular to each other their slopes are ____________

a)

the same.

b)

negative reciprocals of each other.

113.
Are these lines perpendicular?
y = 4x + 2
y = (-1/4)x + 12
a)
YES
b)
NO
114.
Are these lines perpendicular?
y = (1/2)x + 2
y = -2x + 13
a)
YES
b)
NO
115.
Write an equation of a line that passes through the point (-9,2) and is perpendicular to the line y = 3x - 12
a)
y = (-1/3)x - 1
b)
y = (1/3)x - 2
c)
y = -3x + 12
d)
y = 3x - 1
116.
Write an equation of a line that passes through the point (7,10) and is perpendicular to the line y = (1/2)x - 9
a)
y = -2x - 24
b)
y = -2x + 12
c)
y = -2x  + 24
d)
y = (1/2)x - 12
117.
What slope is perpendicular to:  
m = 3
a)
-3
b)
-1/3
c)
1/3
d)
3
118.
y = 6x + 2
y = -6x + 2
These lines are...
a)
Parallel
b)
Perpendicular
c)
Neither
119.
y = -2/3x + 2
y = 3/2x + 9
These lines are...
a)
Parallel
b)
Perpendicular
c)
Neither
120.
Find the median of these numbers:
4,2,7,4,3
a)
2
b)
5
c)
7
d)
4
121.

Find the mean of the numbers below:


12, 8, 14, 5, 1, 3, 0, 8, 10, 11

a)

7.2

b)

8

c)

9

d)

7.4

122.
The box-and-whisker plot below shows the number of points each member of the middle school basketball team made during the game on Saturday.  What was the greatest number of points scored by a basketball player during the game on Saturday? 
a)
4
b)
6
c)
7
d)
8
123.
Which statement best describes the difference between data set 1 and data set 2 shown below?
a)
The median values are very similar, but the values in data set 2 are much more spread out since the interquartile range is larger. 
b)
The median values are very similar, but the values in data set 1 are much more spread out since the interquartile range is smaller. 
c)
The median value for data set 1 is larger, but the interquartile range is smaller, so the values in data set 1 are all larger than those in data set 2. 
d)
The median value for data set 2 is larger, but the interquartile range is smaller, so the values in data set 2 are all smaller than those in data set 1. 
124.
Jamie has math test scores of 65, 90, 75, and 93. Aaron has math test scores of 98, 88, 82, and 93. How do the mean and median of Jamie’s and Aaron’s test scores compare? 
a)
Aaron has a higher mean, but lower median test score than Jamie. 
b)
Jamie has a higher mean, but lower median test score than Aaron. 
c)
Jamie has a higher mean and median test score than Aaron.
d)
Aaron has a higher mean and median test score than Jamie. 
125.
In an election, the median number of votes a candidate received in 6 towns was 300. Which statement MUST be true about this election? 
a)
The candidate received at least 300 votes in half of the 6 towns. 
b)
The candidate received exactly 300 votes in at least two of the towns. 
c)
The total number of votes the candidate received in the election was 1800. 
d)
The total number of votes received by all the candidates in the election was 1800. 
126.
Judy recorded the low temperatures at Clear Lake for ten days in May. She made the box-and- whisker plot to display her data.  Which value defines the upper quartile of the temperatures? 
a)
49
b)
50
c)
51
d)
52
127.
Jerry recorded the outdoor temperature at noon on the first day of each month for one year. He made the box-and-whisker plot below to display his data.  What is the range of temperatures? 
a)
40
b)
55
c)
70
d)
95
128.
The box-and-whisker plots shown below represent the salaries of employees at two different companies. 
a)
$0
b)
$500
c)
$1000
d)
$2000
129.

What is the correlation for the following Scatter Plot.

a)

Weak Positive

b)

No Correlation

c)

Strong Negative

d)

Weak Negative

e)

Strong Positive

130.

What is the correlation for the following Scatter Plot.

a)

Weak Positive

b)

No Correlation

c)

Strong Negative

d)

Weak Negative

e)

Strong Positive

131.

What is the correlation for the following Scatter Plot.

a)

Weak Positive

b)

No Correlation

c)

Strong Negative

d)

Weak Negative

e)

Strong Positive

132.

Given the following Scatter Plot, select the option that is most likely the r value.

a)

r=.27r=.27

b)

r=−.862r=-.862

c)

r=.934r=.934

d)

r=.54r=.54

133.

Given the following Scatter Plot, select the option that is most likely the r value.

a)

r=−.45r=-.45

b)

r=−.981r=-.981

c)

r=.728r=.728

d)

r=.12r=.12

134.

Given the following Scatter Plot, select the option that is most likely the r value.

a)

r=−.1r=-.1

b)

r=−.981r=-.981

c)

r=.92r=.92

d)

r=.765r=.765

135.

Correlation coefficient is the statistic that measures the strength and direction of a linear association between two quantitative variables.

a)

True

b)

False

136.

If r=0, there is a strong correlation.

a)

True

b)

False

137.

r = -0.3 is considered to have...

a)

moderate negative correlation

b)

weak negative correlation

c)

no correlation

d)

strong negative correlation

138.

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

139.
The graph shows a line of best fit for data collected on the amount of income earned by lawn companies in relation to the number of yards mowed.  What is the equation of the line of best fit?
a)
y = (3/2) x
b)
y = 30x
c)
y = 30x + 300
d)
y = (3/2)x + 300
140.
A small theme park is trying to determine the number of guests they should expect on a weekend, based on the temperature outside.  Based on the trend line, about how many guests should be expected if the temperature is around 80°?
a)
8,300
b)
8
c)
7,300
d)
9,300
141.
The graph above shows a line of best fit for data collected on the distance bicyclists have remaining in relation to the amount of time they have been riding.  What is the equation of the line of best fit?
a)
y = -25x + 170
b)
y = 25x + 170
c)
y = -(5/8) x + 170
d)
y = (5/8) x + 170
142.
Which example shows CAUSATION?
a)
High social media usage and reduced grades.
b)
Car ran out of gas and being stranded on the side of the road.
c)
Recess time and classroom behavior in elementary school
143.
Which example shows CORRELATION?
a)
I ate a hananero pepper and my mouth feels like it is on fire.
b)
Music lessons and brain development.
c)
I stepped on a spider and it died.
144.
Which example shows CAUSATION?
a)
Stress level and desire for chocolate.
b)
Eating more butter and increased divorce rates.
c)
It started raining and the baseball game was delayed.

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