alex145 alex145

04-07-2016
Mathematics

contestada

what is the equation of a line that passes through (7,8) and has a slope of -3

Respuesta :

04-07-2016

y = mx + b

m = slope = -3

y = -3x + b

We need to find b, so plug 7 for x and 8 for y

8 = -3*7 + b

8 = -21 + b

Add 21

29 = b

So the equation is y = -3x + 29.

Answer Link

Otras preguntas

Sean has just changed schools. In his new school, students must stand when they speak and refer to their teachers as ma'am or sir. The first time he answers a q

*30 points* What is the equation of the circle in general form? x2 + y2 + 2x + 8y + 9 = 0 X2 + y2 – 2x– 8y + 9 = 0 X2 + y2 – 2x – 8y – 47 = 0 X2 + y2 + 2x + 8y

Think about the services provided by the U.S., state, and local governments. Services are provided by governments to ensure the well-being of all citizens. Whic

Please help! For 12 points!

Hey, I just need someone to solve this equation f(x−2)=2x−4

I need help with this one !! I’ll give you 30 point

(x+2)(x+5) polynomial in standard form.

In the diagram, GB = 2x + 3.. Triangle F D E has centroid G. Lines are drawn from each point to the midpoint of the opposite side to form line segments F A, D

<FEB and <DEB are _________.

The figure shows the dimensions of the side of a house. Find the area of the side of the house.