Question

Okay, I really need some help, can someone please check my answers!! I need it ASAP, so please help quick. I would really appreciate it!! :)

Answer 1

1. What is the value of the y variable in the solution to the following system of equations?

3x + y = 11
–3x + 2y = 1

A. 2
B. 4
C. y can be any number as there are infinitely many solutions to the system.
D. There is no y value as there is no solution to the system.

2. What is the value of the y variable in the solution to the following system of equations?

3x − 6y = 3
7x − 5y = −11

A. –2
B. –3
C. x can be any number as there are infinitely many solutions to the system.
D. There is no x value as there is no solution to the system

3. What is the value of the x variable in the solution to the following system of equations?

4x + 2y = 12
x – y = 3

A. 0
B. –3
C. 3
D. 2

4. What is the value of the x variable in the solution to the following system of equations?

2x − y = 6
4x − 2y = 12

A. 0
B. 4
C. x can be any number as there are infinitely many solutions to the system.
D. There is no x value as there is no solution to the system.

5. The three Math Idol judges have been eliminating contestants all day! The number of one-step equations and two-step equations who have been eliminated today is equal to 1120. If three times the number of one-step equations minus twice the number of two-step equations is equal to 1300, how many two-step equations auditioned today?

A. 1300
B. 1120
C. 708
D. 412

My Answers:
1. B
2. A
3. C
4. D
5. D

Am I right?

Answer 2

I know it looks like a lot but its really only five questions and you would be just checking to see if im right... please someone help!!

Answer 3

looks good...the only one wrong is #4, it should be infinite solutions

Answer 4

okay, thanks :)

Answer 5

I really do appreciate it, so much :) :)

Answer 6

:)