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Semenov [28]
3 years ago
5

Help please Solve 2x2 − 8x = −7

Mathematics
1 answer:
bazaltina [42]3 years ago
8 0
11 if not i’m so sorry
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Please help!!!!!!!!!!!
AnnyKZ [126]
I'm pretty sure you did it correctly
4 0
3 years ago
Read 2 more answers
The slope of the line below is -2. Use the coordinates of the labeled point to
Vilka [71]

Answer:

We can express the equation for any linear equation with slope -2 and point (x0,y0) as:

y=-2x+(y_0+2x_0)\\\\y-y_0=-2(x-x_0)

Step-by-step explanation:

Incomplete question:

There is no point to complete the equation.

As we have no point to complete the linear equation, we will solve for any given point (x0,y0) and a slope of m=-2.

The linear equation can be written generically as:

y(x)=mx+b\\\\y(x)=-2x+b

If a point, like (x0,y0) belongs to the linear equation, it satisfies its equation. Then:

y_0=-2x_0+b

Then, we can calculate b as:

y_0=-2x_0+b\\\\b=y_0+2x_0

We can express the equation for any linear equation with slope -2 and point (x0,y0) as:

y=-2x+(y_0+2x_0)\\\\y-y_0=-2(x-x_0)

6 0
3 years ago
A line has the same slope as the line 3x+9y=5 and passes though the point (-1,2).what is the equation of the line?
MrRissso [65]

Answer:

y = -1/3x + 5/3

Step-by-step explanation:

First solve the equation. Simply put it is y = -1/3x + 5/9.

So, we have our slope which is -1/3. Now just plug it in.

y - y1 = m(x - x1)

y - 2 = -1/3(x - (-1))

Distribute.

y - 2 = -1/3x - 1/3

Add 2 to both sides

you get y=-1/3x + 5/3

6 0
3 years ago
The distance from town a to town b is 5 miles and the distance from town b to town c is 4 miles. which of the following could No
Radda [10]
A. 1 because a to b is 5 miles and b to c is 4 miles so it couldn't be 1 mile
6 0
3 years ago
GeomeTry, writing equations of parallel lines from graphs
Feliz [49]
Answer: draw them out dude

Explanation: TrY geometry
7 0
3 years ago
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