anthoy68 anthoy68
  • 22-04-2021
  • Mathematics
contestada

find the value of r so that the line through (2,-3) and (-4,r) has a slope of -1/2 | please explain steps

Respuesta :

clarch19
clarch19 clarch19
  • 22-04-2021

Answer:

r = 0

Step-by-step explanation:

slope formula is the difference of the y-values over the difference of the x-values

[r-(-3) / -4-2] = -1/2

r+3/-6 = -1/2

cross-multiply:

2(r+3) = (-1)(-6)

2r + 6 = 6

2r = 0

r = 0

Answer Link

Otras preguntas

Como calcular la resistencia de un alambre a 20 grados celcius si tengo longitud, densidad y restividad?
of the metals fe, cd, au and na which will not give up its electrons to silver (ag) in a redox reaction
Diuretics, such as furosemide, should be taken?
What is a zero of the quadratic function f(x)=9x^2-54x-19
5. What does punctually mean? A) Poorly dressed B) Very hungry C) Promptly D) Carefully
What is the main structures in plant cells that are not animal cells?
What do peaches represent for the speaker?
A spool of thread contains 150 revolutions of thread. the diameter of the spool is 3 centimeters. find the length of the thread
You randomly draw a marble from a bag of 120 marbles. You record its color and replace it. Use the results to estimate the number of marbles in the bag for each
_____ was the first asian american playwright to have his work staged in a mainstream new york theatre.