Questions asked by Gianna

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• What is -7x-6y=4 when x=−3y+8? Solve using substitution, and please explain.
  
• What is -4x+11y=15 when x=2 y ?
  
• x - y = 3 -2x + 2y = -6 What can be said about the system of equations? Does it have one solution, infinitely many solutions, no solution or 2 solutions.
  
• Consider the following system of equations: #4x + 3y = 3color(white)("ddd")# #2x - 3y = -5# What can be said about the system of equations? No Solution Two Solutions One Solution Infinitely Many Solutions
  
• How do you graph #-x+y=9" and "-8x+8y=-8#?
  
• Using substitution what is 5x-4y=-10 when y equals ​y=2x−5?
  
• What is 4x+y=7 when y=x-3?
  
• What is x and y when #3x+y=6 and y=x-2#?
  
• What are the factors of 2k+22k+60?
  
• What is the value of the discriminant in f(x)=6x ​2 ​​ +10x−1?
  
• Exponential Functions, solve for x: 2/3(3)^x=54? Please answer ASAP
  
• A population of deer in an area is 2000 and is decreasing at a rate of 15% per year. At this rate, approximately what will the deer population be in 7 years?