Solving Systems of Linear Equations by Graphing
Solve the system of linear equations by graphing:
y = 2x + 9
y = -x + 6
(-1,7)
Solve the system of linear equations by substitution:
y = x - 4
y = 4x - 10
(2,-2)
Solve the system of linear equations by elimination:
x + 3y = 5
-x - y = -3
(2,1)
Where was Pythagoras from
Greece
Solve the system of linear equations by graphing:
y = x + 4
y = -x + 2
(-1,3)
Solve the system of linear equations by substitution:
y = 2x + 5
y = 3x - 1
(6,17)
Solve the system of linear equations by elimination:
x - 2y = -7
3x + 2y = 3
(-1,3)
Which country exports the most black pepper in the world?
Vietnam
Solve the system of linear equations by graphing:
y = 2x + 5
y = 0.5x - 1
(-4,-3)
Solve the system of linear equations by substitution:
x = 2y + 7
3x - 2y = 3
(-2, -4.5)
Solve the system of linear equations by elimination:
2x + 7y = 1
2x - 4y = 12
(4,-1)
What is the only edible food that never goes bad?
Honey
Solve the system of linear equations by graphing:
x + y = 7
y = x + 3
(2,5)
Solve the system of linear equations by substitution:
6x - 4y = -8
y = -6x +2
(0,2)
Solve the system of linear equations by elimination:
-4x - 2y = -12
4x + 8y = -24
(6,-6)
Which country invented ice cream?
China
Is it possible for a system of linear equations to have exactly two solutions? Explain your reasoning.
No, two lines cannot intersect in exactly two points.
Solve the system of linear equations by substitution:
7x + 2y = -7
y = 5x + 5y
(-1,0)
Solve the system of linear equations by elimination:
8x + y = -16
-3x + y = -5
(-1,-8)
Vincon Massif is the biggest mountain on which continent?
Antartica