Could somebody correct my answers??
1. Which of the following is an example of an open equation?
A. 5× + 7=12
B. 12 + (-8)=4
C. 25 =5(5)
D. 8+0=8
2. Which of the following equations has 3 as the solution?
A. -2b=6
B. 4a-5=12
C.5y=y+8
D. Z-15=-12
3. Is (1,5) a solution to the equation y=X -2?
Yes
No
4. Is (-2,-6) a solution to the equation y=3x
Yes
No
My answers:
1. A
2. C
3. No
4. No
1. A
2. Not C, since
5*3 ≠ 3+8
3. No
4. Yes, since -6 = 3 * -2