Which is an equation of the line that passes through (-1,-5) and (-3,-7)

Slope intercept formula is:

y = mx + b

m is the slope

b is the y-intercept

Let's find m, the slope:

The formula for slope when using two points on a line is:

In this case...

^^^Plug these numbers into the formula for slope...

1

^^^This is your slope

So far this is our equation:

y = 1x + b OR y = x + b

Now let's find b, the y-intercept:

To do that you must plug in the point the line goes through in the x and y of the equation.

For this question I have chosen to plug in the point (-1, -5)

-5 = -1 + b

-5 + 1 = -1 + 1 + b

-4 = 0 + b

-4 = b

Your equation is:

y = x - 4

Hope this helped!

~Just a girl in love with Shawn Mendes

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft

hello from mrbilldoesmath!

answer:   x^2 + y^2 = 1024

discussion:

the equation of a circle with center (h,k) and radius "r" is

(x-h)^2 + (y-k)^2 = r^2.

in our case

(x-0)^2 + (y-0) ^2 = 32^2 = 1024

you,

mrb