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***
4 answers