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d1i1m1o1n [39]
3 years ago
10

What is the solution the the system of equations graphed below y=-2x-4 y=x+2

Mathematics
2 answers:
garik1379 [7]3 years ago
8 0
Y = 2x - 4
y = x + 2

2x - 4 = x + 2
2x - x = 2 + 4
x = 6

substitute x = 6 into one of the first 2 equation, i chose the 2nd one.
y = 6 + 2
y = 8

Natali5045456 [20]3 years ago
5 0

Answer:

(-2,0)

Step-by-step explanation:

y=-2x-4

y=x+2

------

  • x+2= -2x-4
  • 3x=-6
  • x=-2
  • y=x+2=-2+2=0

(-2, 0) is the answer

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1/4(2(x - 1) + 10) = x​
garik1379 [7]
The answer for x is x=-8
7 0
3 years ago
What is <br><img src="https://tex.z-dn.net/?f=f%284%29%20%3D%20%20%5Csqrt%7Bx%20%7B%7D%5E%7B2%7D%20%7D%20%20-%205" id="TexFormul
dexar [7]
<h3>Solution:</h3>

f(x) =  \sqrt{ {x}^{2} }  - 5 \\  =  > f(4) =  \sqrt{ {(4)}^{2} } - 5 \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \sqrt{16 }   - 5 \\  =  4 - 5 \\  =  - 1 \\ or \\  =  - 4 - 5 \\  =  - 9

<h3>Answer:</h3>

-1 or -9

<h3>Hope it helps</h3>

ray4918 here to help

3 0
2 years ago
Which of the following is the minimum value of the equation y=2x^2+5
sweet-ann [11.9K]
Plug in 0 for x and you get 5. Which is your answer :)
7 0
3 years ago
The slope of the line whose equation is 3y + 2x = 1 is: A.)-2/3 B.)-3/2 C.)1/3
mojhsa [17]

Answer:

A

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange 3y + 2x = 1 into this form

Subtract 2x from both sides

3y = - 2x + 1 ( divide all terms by 3 )

y = - \frac{2}{3} x + \frac{1}{3} ← in slope- intercept form

with slope m = - \frac{2}{3} → A

4 0
3 years ago
5
dexar [7]

Answer:

Step-by-step explanation:

3x + 5y = 7

Since that is our original form, let's convert it so that we can find the slope:

5y = -3x + 7

y = -3/5 x + y

 

To get a perpendicular line, we need the negative reciprocal of the slope. This means that the sign switches and numerator and denominator flip:

m = 5/3

 

From here, we use the point-slope equation and then convert that into slope-intercept form:

y - y1 = m(x - x1)

y - 6 = 5/3(x - 0)

y - 6 = 5/3x

3 0
3 years ago
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