badbleepbella305 badbleepbella305

03-01-2022
Mathematics

contestada

This table gives a few (x,y) pairs of a line in the coordinate plane.
x | y
-21 | -64
-15 | -48
-9 | -32

What is the x-intercept of the line?
-
please help!

Respuesta :

Аноним Аноним

03-01-2022

Answer:

Step-by-step explanation:

slope m = Δy / Δx = (-64 - (-32)) / (-21 - (-9)) = -32/-12 = 8/3

y = (8/3)x + b

-48 = (8/3)(-15) + b

-48 = -40 + b

b = - 8

y = (8/3)x - 8

x intercept occurs where y = 0

0 = (8/3)x - 8

8 = (8/3)x

x = 3

(3, 0)

Answer Link

Otras preguntas

can u tell me how to solve this promblem 4/7 plus 3/7

How would you define psychological realism?

If 52 x equals 7800 y what does 1 x equal? What is the maths equation?

Consider two linear transformations y = T(x) and z = L(y), where T goes from R^m to R^p and L goes from R^p to R^n. Is the transformationz = L(T(x)) linear as w

let g(x)=x-3 and h(x)=x^2+6 find (h o g) (1)

Tennis balls with a diameter of 2.5 in. are packaged 3 to a can. The can is a cylinder. Find the volume of the space in the can that is not occupied by tennis b

Six popular brands of tea are to be used in a blind taste study for consumer recognition. If three distinct brands are chosen from the six, and if the consumer

If 52 x equals 7800 y what does 1 x equal? What is the maths equation?

I just need the equation on how to do it. I'm so lost :'( help please!!!!!!

which type of gas is filled in lays pack and why?