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never [62]
3 years ago
15

What is an equation in slope-intercept form of the line that passes through the points (−2, −2) and (1, 7)? A.y = 4x + 3 B.y − 7

= 3(x − 1) C.y = 3x + 4 Dy + 2 = 3(x + 2)
Mathematics
1 answer:
antoniya [11.8K]3 years ago
8 0

Answer:

C.y = 3x + 4

Step-by-step explanation:

We have two points, so we can find the slope

m = (y2-y1)/ (x2-x1)

   = (7--2)/ (1--2)

   = (7+2)/(1+2)

    = 9/3

    =3

The slope is 3

We can find the point slope form of the line

y-y1 = m(x-x1)

y-7 = 3(x-1)

Distribute

y-7 =3x-3

Add 7 to each side

y-7+7 = 3x-3+7

y = 3x+4

This is in slope intercept form (y=mx+b)

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Which fraction represent the given fraction rewritten with their LCD?
enot [183]
Please, use ( ) around fractional coefficients:

<span>1/3x-9y, 6/5x-15y  should (probably) be written as (1/3) - 9y and (6/5)x - 15 y.

The LCD here is 3(5) = 15.


Mult. </span><span>1/3x-9y and 6/5x-15y by 15, and then divide the result by 15:

</span>15 [ (1/3)x - 9y and (6/5)x - 15 y ]
---------------------------------------------
                     15


This simplifies to:

5x - 135y  and   18x - 225y
------------            --------------
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These fractions are equivalent to the original ones, but now the common denominator, 15, is evident.
7 0
3 years ago
Any help is uselful thanks :)
Ad libitum [116K]

Answer:

4√7

Step-by-step explanation:

5√7 + √7 - 2√7

add: 6√7 - 2√7

subtract: 4√7

5 0
3 years ago
Ill give you alot of points for this
rusak2 [61]

Answer:

ok

Step-by-step explanation:

4 0
3 years ago
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\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the Equilateral Triangles.

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Equilateral triangle has one all angles equal to 60°.

so, major angle P = 60°

hence, 2x=60°

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Answer:

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Step-by-step explanation:

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