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Veseljchak [2.6K]
3 years ago
6

What is the equation in point slope form of the line passing through (-2,-5) and (2,3)

Mathematics
2 answers:
Papessa [141]3 years ago
6 0

the equation of a line in point-slope form is

y - b = m(x - a)

where m is the slope and (a, b ) a point on the line

to calculate m use the gradient formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 2, - 5 ) and (x₂, y₂ ) = (2, 3 )

m = \frac{3+5}{2+2} = \frac{8}{4} = 2

use either of the 2 points for (a, b)

using (a, b) = (2, 3), then

y - 3 = 2(x - 2) ← in point-slope form


Anna71 [15]3 years ago
5 0

what is the equation in point slope form of the line passing through (-2,-5) and (2,3)


Point slope form: y - y1 = m(x - x1)

m = (3 + 5)/(2 + 2) = 8/4 = 2

Point slope form:

y - 3 = 2(x - 2) if you're using this (2,3)

or

y + 5 = 2(x + 2) if you're using this (-2,-5)

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For this case we have by definition:

1 Pint is equal to 0.5 quart

We must indicate how many quarts there are in 120 pints.

Making a rule of three we have:

1 pint --------------------> 0.5 quart

120 pints -------------> x

Where the variable "x" represents the number of quarts equivalent to 120 pints.

x = \frac {120 * 0.5} {1}\\x = 60

Thus, 120 pints are equivalent to 60 quarts

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GIVING AWAY 50 POINTS TO WHOEVER SHOWS LEGIT WORK!
miss Akunina [59]
S= one length of square 1
S+1 = one length square 2
S+2= one length square 3

Our equation would be
S^2+(S+1)^2+(S+2)^2=365

Idk if it would be called distribute but.. distribute
S^2+S^2+2S+1+S^2+4S+4=365

Add like terms
3S^2+6S-360=0

Divide everything. By 3
S^2+2S-120=0

Factor
(S-10)(S+12)=0

The two solutions are:

S-10=0
S=10

S+12=0
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Since a length can’t be a negative the only possible solution would be 10

Since a perimeter is all lengths added together we can multiply the length by four to get the perimeter

Square 1
10*4=40
Perimeter is 40cm

Square 2
S+1 =11
11*4=44
Perimeter is 44cm

Square 3
S+2=12
12*4=48
Perimeter is 48cm

Add all the perimeters together to get the total perimeter:

Total perimeter:
40+44+48=132

The total perimeter is 132cm

I hope this helps. Sorry if I messed up anything on here it was kinda hard to keep track of everything. Feel free to ask if you need anything cleared up :)
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