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Section 3.8 Solving Equations
Contributed by: Lamb
  • 1. Solve ax + g = t for a
A) (g-t)/a
B) (t-g)/ x
C) (t+g)/x
D) (t-g)/a
  • 2. Solve xy + z = 9 for x
A) (9/z) - y
B) (9-z)/y
C) (9/y)- z
D) (9-y)/z
  • 3. Solve A = (1/2) ( h) (a+b) for h
A) (2A)(a+b)
B) (2A)/(a+b)
C) (2A)(a+b)
D) (1/2)(A)/(a+b)
  • 4. Solve A =2Pr2 for P
A) Ar2P
B) A/(2r2)
C) (Ar2)/P
D) r2/(AP)
  • 5. Solve 16x+4y = 2z for y
A) (2z-4)/16x
B) (16x-4)/2z
C) (2z-16x)/4
D) 12x-2z+4
  • 6. Solve 2x+b=c for x
A) (2+c)/b
B) (c+b)/2
C) (b+2)/c
D) (c-b)/2
  • 7. Solve 14a-6b=12a for a
A) 3b
B) 6b-12
C) (3b)/a
D) a/(3b)
  • 8. Solve (x+y)/4 = c for x
A) 4(c+y)
B) 4c-y
C) 4(c-y)
D) (c-y)/4
  • 9. Solve (r+5)/4 = t for r
A) (4t)/5
B) 5t-4
C) 5*(4t)
D) 4t - 5
  • 10. Solve (x-c)/2 = d for c
A) -2d +(-x)
B) (2d)*-4
C) 2d-x
D) -2d - (-x)
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