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Graphing
Substitution
Elimination
Inequalities
General
100
Solve the following system by graphing: y = x + 2 y = -2x + 2
(0, 2)
100
Solve the following system using substitution: y = x + 1 y = -5
(-6, -5)
100
Solve the following system using elimination: 2x + 5y = 17 6x - 5y = -9
(1, 3)
100
Should the inequality y > -6x + 1 have a solid line or a dashed line?
dashed
100
In a system of equations, the point where two lines intersect is called the __________.
solution
200
Solve the following system by graphing: y = x + 4 y = 4x + 1
(1, 5)
200
Solve the following system using substitution: y = 1/2x + 4 x = 6
(6, 7)
200
Solve the following system using elimination: 7x + 2y = 10 -7x + y = -16
(2, -2)
200
Should the inequality y < 1/3x - 9 be shaded above or below the boundary line?
below
200
This method of solving systems of equations involves replacing the variable in one equation with an expression from another equation.
substitution
300
Solve the following system by graphing: y = -2x + 1 y = -2x - 3
no solution
300
Solve the following system using substitution: 2x + 2y = 4 y = x - 2
(2, 0)
300
Solve the following system using elimination: 2x - 3y = 61 2x + y = -7
(5, -17)
300
The solution to a system of inequalities is where the two shaded regions __________.
overlap
300
When you solve a system of equations, your solution should always be written as an __________ ______.
ordered pair
400
Solve the following system by graphing: y = 1/2x + 1 3x + y = 8
(2, 2)
400
Solve the following system using substitution: 2x + 2y = 5 y = 1/4x
(2, 1/2)
400
Solve the following system using elimination: 2x + 4y = 8 20x + 4y = -28
(-2, 3)
400
Write the following inequality in Slope-Intercept Form: 4y < 6x + 8
y < 3/2x + 2
400
If you graph a system of equations where the lines lie on top of each other, it is considered to have ________ solution(s).
infinite