Question

1. Is the equation true, false, or open? 5x + 2 = 6x + 11

A. Open; there is a variable.***

2. Which value is a solution of the equation 2 - 8x = -6?

A. 1***

3. Which ordered pair is a solution of the equation y = x - 4?

B. (6,2)***

4. Which ordered pair is a solution of the equation y = 4x?

B. (-1,-4)***

5. Which ordered pair is a solution of the equation y = -7x + 2?

B. (8,-54)***

6. Mike and his best friend Dan have the same birthday, but Mike is three years older than Dan.

B. (line starts at 3)***

7. -4 = g + 1

C. g = -5***

8. x - 3 = -5

x = -2***

9. 6.4 = 4x

B. 1.6***

10. -9 = r/4

D. r = -36***

11. -7 = 7/9w

C. W = -9***

12. Which equation is an identity?

C. 10p + 6 - p = 12p - 3(p-2)***

13. Which equation has no solution?

C. 4y - 5 = 4y - 6***

14. 2(h-8) - h = h -16

C. h = infinitely many solutions***

15. 3 + 6z = 13 + 6z

D. z = no solution***

16. Eric and Mark went to a ball game and visited the concession stand.

D. $3.50***

17. 6(z-2) + 4 = 10

B. z = 3***

18. 70 = -7(-2 - 2z)

A. z = 4***

19. -2x + 4 = 2(4x - 3) - 3(-8 + 4x)

A. x = 7***