1
2
3
4
5
100
16x+y=16
-16x-y=-16
No solution
100
2x+y=6
2x-y=-2
(1,4)
100
-4x-2y=-12
4x+8y+-24
(0,-6)
100
4x+8y=20
-4x+2y=-30
(7,-1)
100
-6x+5y=1
6x+4y=-10
(-1,-1)
200
-1x+-1y=-1
1x+1y=1
no solution
200
-4x-2y=14
-10x+7y=-25
(1,5)
200
what is the first step to elimination
eliminate/make possible to eliminate
200
This is elimination T or F? if not what is this?
False it is Graphing
200
4x+3y=14
-5x-2y=-14:
-1x+1y What mistake did I made and for bonus points what is the actual answer
Did not eliminate the correctly.
Bonus (2,2)
300
3x – 4y = 2
x + 4y = 10
(3,1.75)
300
-x – y = 5
-x + 4y = 15
(-7, 2)
300
5x – y = 20
7x + y = 10
300
2x + 3y = 11
x + 2y = 7
(1,3)
300
−5y+8x=−18
5y+2x=58
(4,10)
400
-6x+6y=6
-6x+3y=-12
(1,-2)
400
-4x+9y=9
x-3y=-6
(9,5)
400
-3x+7y=-16
-9x+5y=16
(-4,-4)
400
5x+y=9
10x-7y=-18
(1,4)
400
name all 3 methods to solving equations
Substitution,Graphing,Elimination
500
What is the has to happen for two numbers to be eliminated?
Like terms has to be opposite (something on the lines of)
500
150x+1y=152
15x-1y=13
(1,2)
500
-14=-20y-7x
10y+4=2x
(2,0)
500
yes
500
5x+3y=-19
8x+3y=-25
(-2,-3)