Algebra 1 Semester 1

Solve for x:
8x - 10 = -34

• 4
• 3
• -3
• -24

**

• 8
• -7
• -8
• 4

∣ 2x + 9 ∣ = 15

• x = 3  
  x = 6
• x = 3
  x = -6
• x = 3
  x = -12
• x = 6
  x = -12

Rearrange this equation to make R the subject
pV = nRT  

• R= pV/nT
  
• R= p/n + V/T
  
• R= pV - nT
  
• R= (pV-n)/T
  

Solve these equations.
5x+15y=10
5x-10y=-40

• x=-3, y=2
• x=3, y=2
• x=2, y=-4
• x=-4, y=2

Solve the following equations
3x +2y=10
8x-2y=12

• x=2, y=3
• x=-2, y=2
• x=2, y=2
• x=-2, y=3

Solve the following equation dealing with absolute value: ⌈x⌉ + 7 = 14

• x = 7
• x = -7
• x = 7, -7
• x = -21

|v + 8| − 5 = 2 

• {-1,-15}
• {-1,-5}
• {-15,15}
• No Solution

−2|−2r − 4| = -12

• {3,1}
• {-3,-1}
• {-3}
• No Solution

Solve the following inequality:
-4x + 14 ≤ 54

• x ≥ -10
• x ≤ -10
• x ≥ 10
• x ≤ 10