Quiz about UNIT 3 - LINEAR RELATIONSHIPS REVIEW

Question 1

Graph y = 2x - 3.

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 2

Graph y = x + 2.

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 3

The cost of renting movies from an online video store is represented by the equation y = 2x + 4 where x represents the number of movies you rent. Which graph represents the equation?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 4

The cost of renting movies from an online video store is represented by the equation y = 2x + 4 where x represents the number of months you rent movies. What is the cost of renting 7 movies?

Accepted Answer

$18

Answer

$20

Answer

$14

Answer

$16

Question 5

Cari, Christine, Rob, and Brad went for a walk outside. Use the graph to answer the question.
Who walked at the fastest rate?

Accepted Answer

Brad

Answer

Christine

Answer

Rob

Answer

Cari

Question 6

Derrick started a new job at McDonald's. He makes $10 per hour. Which function models his total weekly earnings (W) in terms of the number of hours he works (t)?

Accepted Answer

$$W=10t$$

Answer

$$W=10+t$$

Answer

$$t=10+w$$

Answer

$$t=10W$$

Question 7

Derrick started a new job at McDonald's. He makes $10 per hour. Which graph models his total weekly earnings in terms of the number of hours he works?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 8

Derrick started a new job at McDonald's. He makes $10 per hour. Which table models his total weekly earnings in terms of the number of hours he works?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 9

Clare owns a mobile pet grooming company. She charges $20 to come to your home plus $30 per hour to groom your pet. Which equation models the amount she charges over time?

Accepted Answer

$$y=30x+20$$

Answer

$$y=50x$$

Answer

$$y=20x+30$$

Answer

$$20x+30y$$

Question 10

Clare owns a mobile pet grooming company. She charges $20 to come to your home plus $30 per hour to groom your pet. Which graph models the amount she charges over time?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Question 11

Clare owns a mobile pet grooming company. She charges $20 to come to your home plus $30 per hour to groom your pet. Which table models the amount she charges over time?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 12

Clare owns a mobile pet grooming company. She charges $20 to come to your home plus $30 per hour to groom your pet. Which number corresponds to the rate of change?

Accepted Answer

30

Answer

20

Question 13

The temperature at dawn was $$-5\degree$$ F and it rose $$2\degree$$ F every hour.

Which equation models the temperature over time?

Accepted Answer

$$y=-5+2x$$

Answer

$$y=5-2x$$

Answer

$$y=-5-2x$$

Answer

$$y=5+2x$$

Question 14

The temperature at dawn was $$-5\degree$$ F and it rose $$2\degree$$ F every hour.

Which graph models the temperature over time?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 15

The temperature at dawn was $$-5\degree$$ F and it rose $$2\degree$$ F every hour.

Which table models the temperature over time?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 16

The temperature at dawn was $$75\degree$$ F and it dropped $$2\degree$$ F every hour.

Which equation models the temperature over time?

Accepted Answer

$$y=75-2x$$

Answer

$$y=75x-2$$

Answer

$$y=75+2x$$

Answer

$$y=75x+2$$

Question 17

The temperature at dawn was $$75\degree$$ F and it dropped $$2\degree$$ F every hour.

Which number represents the rate of change?

Accepted Answer

$$-2$$

Answer

$$75$$

Answer

$$2$$

Answer

$$-75$$

Question 18

Which table contains only values that satisfy the equation y = 0.5x + 14?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 19

What equation matches this situation?

A 12 inch candle burns at a rate of 1.5 inches per hour.

Accepted Answer

y = -1.5x + 12

Answer

y = -1.5x

Answer

y = 1.5x - 12

Answer

y = 12x

Question 20

Which description is best represented by the equation shown below?

y = 7.5x - 3

Accepted Answer

Benji spent $3 on art supplies. He sells paintings for $7.50 each. What is Benji's profit?

Answer

Marissa ran 7 1/2 miles in 3 hours. How many miles did Marissa run per hour?

Answer

Anthony paid $7.50 an hour to skate for 3 hours. What was Anthony's total cost?

Answer

Kelsie earns $3 an hour walking Mrs. Tan's dog. She walks the dog 7 1.2 hours each week. How much did Kelsie earn last week?

Question 21

Which equation identifies the relationship in the table?

Accepted Answer

y = -2x + 5

Answer

y = 2x - 5

Answer

y = 2x + 5

Answer

y = -2x - 5

Question 22

A submarine started the day at sea level and then descended at a rate of 1,200 feet per hour. The equation y = -1200x can be used to determine the depth of the submarine. Which table corresponds to the equation?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 23

Which of the following linear equations best represents the graph shown?

Accepted Answer

y = -2x + 10

Answer

y = -1/2x + 10

Answer

y = 10x - 2

Answer

y = 2x + 10

Question 24

Which of the following graphs is represented by the linear equation:

y = 2/3x + 1?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 25

Ryan builds 4 picnic tables each day. He started the week with 2 tables. Which equation best represents t, the total number of tables he will have after d days?

Accepted Answer

t= 4d + 2

Answer

t = 2d + 4

Answer

d = 4t + 2

Answer

t = 2d + 2d

Question 26

Melanie opened a savings account with $50. Each month, she deposits the same amount of money into the account. Which equation shows t, the total amount of money in the savings account after m months? Watch the scale!

Accepted Answer

t = 75m + 50

Answer

t = 50m + 50

Answer

t = 100m + 50

Answer

t = 150m + 50

Question 27

Tim created the following graph during his math class.

Which equation did Tim use to create the graph?

Accepted Answer

y = -3x + 5

Answer

y = 3x + 5

Answer

y = 3x - 5

Answer

y = -1/3x + 5

Question 28

A local donut shop charged $6.50 for a dozen and gave out a coupon in the newspaper for $0.75 discount on the total bill. What is the equation that represents the value of a customer's order who uses the new coupon with their order?

Accepted Answer

y = 6.50x - 0.75

Answer

y = 6.50x + 0.75

Answer

y = 6.50x - 1.50 - 0.75

Answer

y = 5x - 0.75

Question 29

Randy charges his tenants $425 each month to rent his houses plus $600 security deposit. What equation best represents how much his tenants will now have to pay?

Accepted Answer

y = 425x + 600

Answer

y = 425 + 600x

Answer

y = 400x + 625

Answer

y = 400 + 625x

Question 30

Which rate of change represents the following graph?

Accepted Answer

4 bracelets per girl

Answer

3 bracelets per girl

Answer

0.25 bracelets per girl

Answer

2 bracelets per girl

Question 31

Which equation matches the table?

Accepted Answer

y = 5x

Answer

y = x + 4

Answer

y = x - 4

Answer

y = x + 16

Question 32

Which statement below accurately represents the graph?

Accepted Answer

$500 is earned for every 8 hours worked

Answer

$100 is earned for each hour worked

Answer

$100 is earned for every 2 hours worked

Answer

$200 is earned for every 4 hours worked

Question 33

Stella got a new internet plan.  The company charges her $0.15 for each minute plus a monthly fee of $40.  What equation would be used to calculate how much the cost is for her new internet plan?

Accepted Answer

y=0.15x+40

Answer

y=0.15x-40

Answer

y=0.15-40x

Answer

y=0.15+40x

Question 34

A pilot takes a taxi from the airport to a hotel. The taxi driver charges a $2.50 initial fee and then $2.65 per mile. Which equation can be used to find y, the total cost of the trip, if x represents the number of miles of the trip?

Accepted Answer

y = 2.65x + 2.50

Answer

y = 2.50x + 2.65

Answer

y = 2.65(x + 2.50)

Answer

y = 2.65x - 2.50

Question 35

Question 35.

Accepted Answer

y = 94x

Answer

y = 5x

Answer

y = x + 5

Answer

y = x + 470

Question 36

A store sells new video games for $55 each. Used video games sell for $12 each. Jacob is buying 3 new video games and x used video games. Which equation can be used to find y, the total price Jacob must pay in dollars?

Accepted Answer

y = 12x + 165

Answer

y= 12x + 55

Answer

y = 55x + 12

Answer

y = 165x + 12

Question 37

A 7-inch candle burns at a rate of 2 inches per hour. Which equation represents the relationship between y, the height of the candle in inches, and x, the number of hours the candle burns?

Accepted Answer

y = 7 - 2x

Answer

y = 2x + 7

Answer

y = 2 - 7x

Answer

y = 7x + 2

Question 38

Which description is best represented by the equation shown below?

y = 7.5x - 3

Accepted Answer

Benji spent $3 on art supplies. He sells paintings for $7.50 each. What is Benji's profit?

Answer

Marissa ran 7 1/2 miles in 3 hours. How many miles did Marissa run per hour?

Answer

Anthony paid $7.50 an hour to skate for 3 hours. What was Anthony's total cost?

Answer

Kelsie earns $3 an hour walking Mrs. Tan's dog. She walks the dog 7 1.2 hours each week. How much did Kelsie earn last week?

Question 39

The graph compares the number of people at a party and the number of slices of pizza ordered. Which statement is true?

Accepted Answer

The number of pieces of pizza ordered depends on the number of people at the party

Answer

The number of people at the party depends on the number of pieces of pizza ordered.

Answer

The number of people at the party is the dependent variable.

Answer

The number of pieces of pizza ordered is independent of the number of people at the party.

Question 40

Which table corresponds to the equation?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 41

Which table represents the graph?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 42

Which equation represents the table?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 43

Which graph represents the table?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 44

Zara made an initial deposit to a bank account and then added a fixed amount every week. The table shows the money in her account. Which equation represents the situation?

Accepted Answer

y = 20x + 120

Answer

y = 30x + 100

Answer

y = 120x + 120

Answer

y = 50x + 100

Question 45

What equation represents this graph?

Accepted Answer

y = 40x

Answer

y = 60x

Answer

y = 80x

Answer

y = 20x

Question 46

Which equation matches the table?

Accepted Answer

y = 5x

Answer

y = x + 4

Answer

y = x - 4

Answer

y = x + 16

Question 47

To go to the park, it costs $4 plus $3 per child. Which equation shows this situation, where x represents the number of children?

Accepted Answer

y=3x+4

Answer

y=4x+3

Answer

y=3x-4

Answer

y= -4x+3

Question 48

Write an equation for this situation.

Accepted Answer

y=19.25x

Answer

y=9.75x

Answer

y=x + 19.25

Answer

y=9.5x

UNIT 3 - LINEAR RELATIONSHIPS REVIEW

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