Substitution
Solve this system of equations by substitution:
y=x+2
x+y=20
(9, 11)
Solve this system of equations by elimination:
3x+2y= -4
4x-2y= 18
(2, -5)
Solve the system of inequalities by graphing:
y≥ 1
y≤ x+5
Which of these points is a solution to the system of inequalities?
(1, 0) (2, -4) (-1, 2) (-3, -4)
(-1, 2)
Is (1, 3) a solution for this system of equations:
x-3y= -8
3x+2y= 9
Yes
Solve this system of equations by substitution:
y+1= 2x
3x+2y= 12
(2, 3)
Solve this system of equations by elimination:
3x-2y= 2
3x+4y= 50
(6, 8)
Solve the system of inequalities by graphing:
y≥ 2
y-2x ≤ 1
Which of these points is a solution to the system of inequalities?
(2, 2) (-2, -2) (1, 8) (1, 0)
(2, 2)
What is the solution to this system of inequalities?
y > x+5
y < x-4
There is no solution
Solve this system of equations by substitution:
y+x= 3
y= -8-12x
(-1, 4)
Solve this system of equations by elimination:
x-3y= -12
2x+y= 11
(3, 5)
Solve the system of inequalities by graphing:
x+2y≤4
y+3≤2x
Which of these points is a solution to the system of inequalities?
(0, 2) (2, -1) (5, 0) (0, 0)
(2, -1)
How many solutions are there for this system of equations?
2x+3y=10
4x+6y=20
Infinitely many solutions
Solve this system of equations by substitution:
-8+y= -4x
-2x+10= -y
(3, -4)
Solve this system of equations by elimination:
3x+y= 1
3x+y = -9
no solution, parallel lines