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WorksheetsUnit 4 CSA Test REVIEW
Total questions: 78
Worksheet time: 5hrs 12mins
A man is climbing down from 100 feet high descending 30 feet per minute. Which function models his descent?
y = 100 - 30x
y = 100 + 30x
y = 100x + 30
y = 100x - 30
A school wants to rent a cotton candy machine for a fundraiser. There is a deposit to rent it plus an additional $8 per hour. The total cost to rent the machine for 5 hours is $115, Assume the relationship is linear. What is the rate of change. How much is the deposit?
ROC: $8/1 hr; Deposit Fee: $115
ROC 8 hours/$1 Deposit Fee: $5
ROC $8/1 hr Deposit Fee: $75
ROC $5/1 hr; Deposit Fee: $75
The art club collected $15 per member. The amount of money in the account after dues were collected from 17 members was $300. Assume the relationship is linear. Find and interpret the initial value.
The art club had $45 to begin with.
The art club makes $45 per member.
The art club has $300 to start with.
James has to sell restaurant discount cards as part of a fund raiser for soccer. The equation y = -10x + 500 models his selling where y is the total number of cards and x is the number of days.
Interpret the y-intercept.
James is selling 500 cards over 10 days
James earns $500 for every 10 cards he sells
James is selling 10 cards each day
James starts with 500 cards to sell.
The table represents a used car salesman's monthly salary including commission made on the sale of cars. What is the y-intercept and what does it represent?
y=425x+1500
The y-intercept is $850/car and it represents the commission per car sold.
The y-intercept is $1500/car and it represents the commission per car sold.
The y-intercept is $1500 and it represents the monthly salary before commission.
The y-intercept is $2775 and it represents the monthly salary before commission.
The table represents a used car salesman's monthly salary including commission made on the sale of cars. What is the slope and what does it represent?
y=425x+1500
The slope is $850/car and it represents the commission per car sold.
The slope is $425/car and it represents the commission per car sold.
The slope is $1500 and it represents the monthly salary before commission.
The slope is $850 and it represents the monthly salary before commission.
A phone salesperson is paid a minimum weekly salary and a commission for each phone sold, as shown in table. What statement best describes the y-intercept?
The salesperson receives a salary of $930 before commissions.
The salesperson receives a salary of $630 before commissions.
The salesperson receives a salary of $480 before commissions.
The salesperson receives a salary of $330 before commissions.
A phone salesperson is paid a minimum weekly salary and a commission for each phone sold, as shown in table. What statement best describes the rate of change?
The salesperson receives a $15 commission for each phone sold.
The salesperson receives a $150 commission for each phone sold.
The salesperson receives a $300 commission for each phone sold.
The salesperson receives a $30 commission for each phone sold.
Write an equation to represent the table shown.
NO SPACES/NO CAPITALS
(a)
Which statement describes the y-intercept?
At 0 months the account had $250
At 0 months the account had $500
At 0 months the account had $1250
At 0 months the account had $1000
The table shows the prices a photographer charges. What does the y-intercept represent?
There's an initial charge of $30
There's an initial charge of $15
There's a one time fee of $50
There's a one time fee of $25
What is the cost of admission at the carnival?
$1.75
$5.75
$7.50
$9.25
What is the meaning of the y-intercept?
Phil'd Up Doughnuts has a $9 boxing fee
Phil'd Up Doughnuts has a $1 boxing fee
Phil'd Up Doughnuts has a $5 boxing fee
Phil'd Up Doughnuts has a $7 boxing fee
Which statement describes the rate of change of this function?
The price increases $2 per donut
The price increases $4 per donut
The price increases $13 per donut
The price increases $21 per donut
Constantly decreasing
variously decreasing
Constant increasing
variously increasing
variously decreasing
not moving
constantly increasing
variously increasing
constantly decreasing
Which of the following graphs represents a variously increasing graph?
Horsepower increases variously
Horsepower increases constantly
Which of the following is a function?
Is the following a function?
Yes, this is a function.
No, it's not a function.
Can't be determined with this information.
Which of the following is a function?
A
B
C
D
Is the following graph a function?
Yes, because the x never repeats.
Yes, because they are individual dots.
No, because the x repeats.
No, because it is not a line.
In y = mx + b, which variable represents the slope?
b
m
x
y
In y = mx + b, which variable represents the y-intercept?
b
m
x
y
When finding the slope from a verbal description, do you identify the 'rate of change' or the 'starting value'?
Rate of Change
Starting Value
When finding the y-intercept from a verbal description, do you identify the 'rate of change' or the 'starting value'?
Rate of Change
Starting Value
3) Which line appears to be a graph of the equation shown?
y = -2x -1
Is this set of ordered pairs a function or not a function?
Function
Not a Function
Which graph is NOT a function?
Graph 1
Graph 2
Graph 3
Graph 4
Which function has the greatest rate of change?
y=50+2x
y=75+x
y=3x
y=6−5x
Is the highlighted section of the graph increasing, decreasing, or no change?
increasing
decreasing
no change (stopped)
The equation and graph below describe two linear functions, Function A (graph) and Function B (y=x-1). Which statement is true?
The slope of Function A is less than the slope of Function B.
The slope of Function A is greater than the slope of Function B.
Which equation represents the table?
y=−2x+7
y=2x+7
y=21x+7
y=7x−2
The table shows a relationship between x and y. What is the y-intercept in this relationship? ____
*Remember your y -intercept is the y-coordinate when your x is zero.
-1
7
-7
2
Write the equation that created this table.
y = 3x - 9
y = 3x + 3
y = -3x + 3
y = 6x + 5
Write the equation of the line represented by this table.
y= 3x+5
y = -3x + 5
y= 8x - 1
y = 3x + 14
y=3x−1
y=−9x−1
y=31x+2
y=−31x−9
y=4x+1
y=41x−3
y=−x+9
y=−3x−1
Is this function represented by the graph Linear or Nonlinear
linear
nonlinear
Is the function represented by the equation linear or nonlinear?
linear
nonlinear
Is the function represented by the equation linear or nonlinear?
linear
nonlinear
Is the function represented by the table linear or nonlinear?
linear
nonlinear
Which equation represents y as a linear function of x?
y=8x
x=5
y=4x2
y=x3
Which equations represents y as a linear function of x?
y=x3
y=9x
x=5
y=x
Which equations describe a nonlinear function? Select all that apply.
x - 3y=12
y=x3
3y=x
y=5x2+6x
4x+3y2=24
Determine whether or not the table represents a function.
Yes, it is a function.
No, it is not a function.
Determine whether or not the table represents a function.
Yes, it is a function.
No, it is not a function.
Which kitten grows fastest? What is it's rate of change?
Kitten A with a rate of change of 3
Kitten B with a rate of change of 4
Kitten A with a rate of change of 4
Kitten B with a rate of change of 3
Which function has the greatest RATE OF CHANGE?
Which pizza place has the best starting salary?
Bombino's
Little Squeezers
Pizza Tent
Leonard compared the cost of purchasing a gallon of gas at two different gas stations.
The function C(g) = 3.25 + 0.07x models the average cost of a gallon of gas at the first gas station after x months. The table below shows the average cost of a gallon of gas at the second gas station after different numbers of months.
Which statement is true?
The first station had a higher initial price per gallon and increased at a greater amount per month than the second station.
The second station had a higher initial price per gallon and increased at a greater amount per month than the first station.
The first station had a higher initial price per gallon but increased at a smaller amount per month than the second station.
The second station had a higher initial price per gallon but increased at a smaller amount per month than the first station.
What is the slope to rent a raft from Water's Edge Rafts?
$6 per hour
$5 per hour
$1 for 6 hours
$1 for 5 hours
What is the Slope to rent a raft from Ryan's Rafts?
$15 per hour
$2.25 per hour
$17.25 per hour
$1 per hour
Janet is planning her sweet sixteen birthday party. She must decide which party coordinator she should use so that she spends the least amount of money possible. Each coordinator charges an initial fee for their services, plus an additional fee depending on the number of guests that attend the party. Each coordinator's rates are shown in the image.
Which coordinator charges the greatest fee per guest?
Coordinator A
Coordinator B
Coordinator C
Coordinator D
Which tree is growing the fastest?
Tree A
Tree B
Tree C
