Question

1- Solve the system of equations using multiplication.
3x – 3y = –3
5x – y = –13


What is the solution to the system?

A. (–3,–2)
B. (3,2)
C. (–2,–3)
D. +(2,3)

2-Suppose three people ate a meal in a restaurant. The cost of each of their meals is m. One person intends to tip 10%, the second person intends to tip 15%, and the third person intends to tip 20%. Which expression represents the total amount that they'll pay?

A. 1 + 0.1m + 1 + 0.15m + 1 + 0.2m
B. 1.1m + 2.15m + 3.2m
C. 1.1m + 1.15m + 1.2m
D. 0.1m + 0.15m + 0.2m

3- Find the value of x in the equation 9 − 4x = 57.

A. −16.5
B. −12
C. 16.5
D. 12

4- The system of equations is graphed in the figure.
y = –5⁄3x + 3
y = 1⁄3x – 3


What is the solution of the system?

A. (2,–3)
B. (3,–2)
C. (–3,2)
D. (–2,3)

6-Jack intends to purchase a shirt that was originally marked $35 but is now 30% off. Write a linear expression for the new cost of the shirt. Then calculate the sale price of it.

A. c – 0.35c; $22.75
B. c – 0.30c; $22.75
C. c – 3.5c; $22.75
D. c – 0.30c; $24.50

7- Solve 7x – 5x – 3 = x + 4.

A. x = –8
B. x = 6
C. x = 7
D. x = –10

8-Solve the system of equations using substitution.
2x – 3y = –1
x = y + 1


What is the solution of the system?

A. (4,3)
B. (–4,–3)
C. (–3,–4)
D. (3,4)

9- Subtract (5x + 3) from (9x – 7).

A. 4x – 4
B. 4x – 10
C. 4x + 10
D. –4x + 10


11- Solve the equation 4(x – 3) = 16.

A. 67
B. 19
C. 13
D. 7

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