Please help me branniest any answer without proof will be reported
2 answers:
1st equation:
y = 2x -3
slope = 2
y-intercept = -3
2nd equation:
y = -2x + 5
slope = -2
y-intercept = 5
In the image:
/ line is your 1st equation
\ line is your 2nd equation
Solution is where the line intersects:
(2, 1)
Answer: A
Proof: Let's plug in the solution and make sure it's right
1st equation:
y = 2x - 3
1 = 2(2) - 3
1 = 4 - 3
1 = 1
True
2nd equation:
y = -2x + 5
1 = -2(2) + 5
1 = -4 + 5
1 = 1
True
//Hope this helps
y = 2x -3
slope = 2
y-intercept = -3
2nd equation:
y = -2x + 5
slope = -2
y-intercept = 5
In the image:
/ line is your 1st equation
\ line is your 2nd equation
Solution is where the line intersects:
(2, 1)
Answer: A
Proof: Let's plug in the solution and make sure it's right
1st equation:
y = 2x - 3
1 = 2(2) - 3
1 = 4 - 3
1 = 1
True
2nd equation:
y = -2x + 5
1 = -2(2) + 5
1 = -4 + 5
1 = 1
True
//Hope this helps
Remark
The easiest way to do a question like this (especially if you don't have a graphing calculator) is to go to a site like Desmos. Feed your two equations in and it will show you what the graph looks like.
The red line is y = 2x - 3
The blue line is y = -2x + 5
You can make the xy axis just the way it is shown in this graph. The solution is (2,1) [just reading from the graph].
Answer: A
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