Final exam semester 2 quiz

Solve the equation, if possible.
  $2a-6\left(a-4\right)=\ -4$  

• 7

• identity

• 0

• -5

Solve for k

• 165
• 17
• 1/17
• 1/165

Find the graph of the standard form equation: 2x - y = 0

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Give the equation for the graph

• y = 5x - 3
• y = 4x + 2
• y =-2x + 5
• y = - 2x + 4

Graph. y = -4

• a
• b
• c
• d

Which graph represents $2x-5y=-10$  

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^{What is the solution to the system?} 

• (1,1)
• -2
• (1, 2)
• (1, -1)

What is the solution to this system?
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Solve the system by substitution.
 
5x + 4y= −14
y =  −7x  −  15 

• (-2, -1)
• (1, -2)
• (-2, 1)
• (-1, -2)

Solve the System using Elimination. 
−6x + 6y = 0
9x − 8y = 4 

• (4, −9)
  
• Infinite number of solutions 
• (−9, 4)
  
• (4, 4)