Quiz about Representing Algebraic Equations

Question 1

What is the equation for this table?

Accepted Answer

y = 3x

Answer

y = 2x + 2

Answer

y = x + 6

Answer

y = x - 8

Question 2

Solve the system of equations algebraically using substitution:

y = x + 2

y = -3x

Accepted Answer

x = -1/2

Answer

x = 0

Answer

x = - 4

Answer

x = 2

Question 3

Solve the following system of equations algebraically using substitution method.

Accepted Answer

(1, -1)

Answer

(-1, 1)

Answer

(0, 1)

Answer

(1, 0)

Question 4

Solve the following system of equations algebraically using substitution method.

Accepted Answer

(-1, 2)

Answer

(-1, -1)

Answer

(2, -1)

Answer

(-1, -2)

Question 5

What best represents "five times a number?"

Accepted Answer

5n

Answer

v + 5

Answer

y - 5

Answer

x/5

Question 6

What best represents "a number and five?"

Accepted Answer

v + 5

Answer

y - 5

Answer

5n

Answer

x/5

Question 7

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage. If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

Accepted Answer

C = 15 + 0.20x

Answer

C =15 (0.20x)

Answer

C = 15 + x + 0.20

Answer

C = 0.20 + 15x

Question 8

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat. Write an equation for C, the total cost, to rent the boat for h hours.

Accepted Answer

C = 2h + 15

Answer

h = 2C + 15

Answer

C = 15h + 2

Answer

h = 15C + 2

Question 9

Solve.
(2x - 3) / 4 = 9

Accepted Answer

x = 19.5

Answer

x = 24

Answer

x = 12

Answer

x = 17.5

Question 10

A holiday meal cost $12.50 a person plus a delivery fee of $30. Which equation represents the amount a holiday meal costs(y), including delivery, for x people?

Accepted Answer

y = 30 + 12.50x

Answer

y = 12.50 + 30x

Answer

y = 12.50 + 30

Answer

12.50x = 30

Question 11

7w + 5 = 3w - 15

Accepted Answer

5

Answer

-2

Answer

2

Answer

-5

Question 12

Scott works on cars. He charges $35 for each car plus $7 per hour. Write an equation that represents this scenario if Kylie's car bill was $63.

Accepted Answer

7x + 35 = 63

Answer

7x = 63

Answer

7x - 35 = 63

Answer

35x + 7 = 63

Question 13

If chocolate chip cookies cost $3.00 per cookie plus $2 for boxing them up in a decorated box, what would the expression be?

Accepted Answer

3x + 2

Answer

3 + 2x

Answer

3x + 2x

Answer

5x

Question 14

Which equation matches the table?

Accepted Answer

y = x + 4

Answer

y = x

Answer

y = 5x

Answer

y = x - 4

Question 15

What algebraic equation shows the relationship between the independent and dependent variables?

Accepted Answer

y = -3x

Answer

y = 0

Answer

y = x + 12

Answer

y = -3 + 9

Representing Algebraic Equations

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