Algebra Interim Review

Solve:
−8x − 10y = 20
−8x − 6y = −4 

• Infinite number of solutions  
• (6, 5) 
• (−6, −5) 
• (5, −6) 

Solve:

4x + 12y = −1
−x − 3y = 0 

• (10, 1) 
• (−10, −1) 
•  (10, −1) 
•  No solution 

Solve:
x-y=11
2x+y=19

• (10,-1)
• (-1,10)
• (3,-4)
• (6,7)

Solve: 
3x − 2y = 7
y = 2x − 7 

• No solution 
• (7, 7) 
• (−7, −7) 
• (−7, −3) 

Solve:
y = 2x − 11
2x − 8y = 4 

• (6, 1)
  
• (6, −1)
  
• (6, −4)
  
• Infinite number of solutions 

Which system of inequality is shown?

• y ≥ -x - 1
  y < x + 4
• y < -x - 1
   y ≥ x + 4
• y > -x - 1
  y ≥ x + 4
• y > -x - 1
  y ≥ x + 4

Select the correct graph for each inequality.

• A
• B
• C
• D

Which system of inequalities matches the graph?

• y≥-2x+3
  y≤x-3
• y>2x+3
  y≥x-3
• y>-2x+3
  y≥x-3
• y<-2x+3
  y≤x-3

1/x^-3

• 1/x³
• x³
• 3x
• 1/3x

x⁵⁄x³

• x²
• x
• 1
• x⁸