Vocabulary
Solve the following system: y=3x-1 2x+y=9
What is (2,5)?
Solving the following system: x+3y=-9 -x+y=-7
What is (3,-4)?
Solving the following system: 5x+y=11, x-y=1
What is (2,1)?
The sum of two numbers is 12, and their difference is 6. What are the two numbers?
What is (3,9)?
an ordered pair that is the intersection of all equations in a system.
What is a solution to a system?
Solve the following system: 3y-2x=4 x=3-y
What is (1,2)
Solving the following system: 2x+6y=-12 3x-2y=4
What is (0,-2)?
Solving the following system: x+y=-1, x-y=3
What is (1,-2)?
Twice a boy's age is 9 more than his brother's? The average of their ages is 12. How old are they?
What is (11,13)?
systems that have the same infinite many solutions
What is a dependent system or same equation system?
Solving the following system:x=5, y=2x-3
What is (5,7)
Solving the following system: 2x+y=2 3y=-6x+6
What is infinite many solutions?
Solving the following system: y=-3x, x+y=2
What is (-1,3)?
A girl has $6 in 36 coins (all quarters and nickels). How many of each does she have?
What is 21 quarters, 15 nickels?
solving one equation for a variable, replacing it in the other equation, and solving for the remaining variable.
What is the substitution method?
Solving the following system: 3x-6y=30 y=.5x+3
What is no solution?
Solving the following system: 5x+2y=2 3x+5y=24
What is (-2,6)?
Solving the following system: 2x-4y=-4 3x-y=4
What is (2,2)?
My mom's cell phone costs $10 per month plus $0.10 per minute. My aunt's phone costs $3 per month plus $0.15 per minute. For what amount of talking time will the cost of these plans be the same?
What is 140 minutes?
multiplying equations so like terms have opposite coefficients, adding the equations, and solving the result.
What is the elimination method?
Solving the following system: 2x-3y=7, y=3x-7
What is (2, -1)?
Solving the following system: 0.7x+2y=1.61 2x-0.3y=0.39
What is (0.3, 0.7)?
Solving the following system:y = 6x-6, -3x-3y=-24
What is (2,6)
How many liters of a 60% salt mixture must be added to 2 liters of a 30% salt mixture to yield a 48% mixture?
What is 3 liters?