CHECK MY WORK!
How many solutions will this system of equations have?
y = −3.5x − 3.5
y = −3.5x + 3.5
No solution<<<<

Mathematics
- anonymous

CHECK MY WORK!
How many solutions will this system of equations have?
y = −3.5x − 3.5
y = −3.5x + 3.5
No solution<<<<

Mathematics
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- anonymous

Two solutions, x = + 1, -1

- anonymous

3.5 = -3.5x
3.5 / -3.5 = x
x = -1

- anonymous

There is no solution. They are parallel.

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## More answers

- anonymous

They are parallel, they have the same slope. They just have different y-intercepts.

- anonymous

which answer?

- anonymous

The first one

- anonymous

No, if they are parallel the set has infinite solutions.

- anonymous

I suggest using geogebra.

- anonymous

Solution means intersecting points.

- anonymous

There are no intersecting points in parallel lines.

- anonymous

Oh, crap. You're right.

- anonymous

this is algebra 1. So no solution?

- anonymous

I'm overthinking the entire thing.

- anonymous

Yes, there is no solution.

- anonymous

A dependent system of equations is a system with __________.
the same line
parallel lines
intersecting lines and lines that have the same equation
intersecting lines and lines that have the same slope

- anonymous

Dependent system of equations are the same line.

- anonymous

so A?

- anonymous

Independent system of equations intersect one another, as opposed to dependent. And yes, it's A.

- anonymous

Solve the system of equations.
x + 3y = −1
2x + 2y = 6
(−4, 1)
(2, −1)
(4, −1)
(5, −2)
@izuru

- anonymous

I previously answered a question similar to this, hold on.

- anonymous

okay :)

- anonymous

Like, it's the exact same problem. I couldn't find it but I'll still help you out lol
So you can use substitution in this one. Try and isolate x in the first equation.

- anonymous

x+3y=-1
-3y -3y
x=-4y

- anonymous

-3y and -1 are not like terms.. So it's just x = -3y -1. Now, plug that isolated x into the second equation.
2x + 2y = 6
2(-3y - 1) + 2y = 6

- anonymous

2(-1)+(-1y)=6

- anonymous

You have to distribute 2*(-3y - 1) before adding +2y.

- anonymous

2*-3y-2

- anonymous

@izuru

- anonymous

The equation turns into -2 -6y + 2y = 6.
You multiply 2 by -3y and -1.

- anonymous

okay :)

- anonymous

so B? @izuru

- anonymous

@IrishBoy123
b?

- anonymous

@Luigi0210

- anonymous

@freckles @Hero

- anonymous

@CandyCove

- anonymous

b

- anonymous

y = -2. Plug it in with the first equation to figure out the value of x.

- anonymous

Its D! @izuru

- anonymous

You're right

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