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13 questions
y = -3x + 11
5x + y = 21
(1, -5)
(1, 5)
(-4, 5)
(5, -4)
x - 3y = -13
4x + 2y = 4
(1, 4)
(-1, -4)
(-1, 4)
(1, -4)
y = 4x - 2
y = -x + 3
(-2,-1)
(-1,-2)
(1,2)
(2,1)
-5x - 4y = -9
y = 6
(3, 6)
(6, -3)
(-3, 6)
(6.8, 3)
In 3x + 2y = 10 and x - 5y = 18, which variable should you isolate first?
The x in the first equation
The y in the first equation
The x in the first equation
The x in the second equation
y = 2x + 5
2x + 2y = 4
(1, 7)
(7, 1)
(2, 9)
(-1, 3)
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