clumsypower clumsypower

25-10-2016
Mathematics

contestada

A line passes through the points (k+3,-2k) and (4,1) and has a y-intercept of 6. Find the value of k.

Respuesta :

lovely3533 lovely3533

25-10-2016

y = mx + b; b = 6

1 = 4m + 6; m = -5/4

-5/4 = (1 + 2k) / (4 - k - 3) = (2k + 1) / (1 - k)

-5(1 - k) = 4(2k + 1)

5k - 5 = 8k + 4

-3k = 9

k = -3

Answer Link

Otras preguntas

All of the following are examples of commonly used tools in relief printing, except which? a. lead c. paper b. mat knife d. gouge Please select the best ans

What does Lucas say about the preamble to the Declaration of Independence

Do you approve of Nevsky’s cooperation with the Mongols? Was his policy practical or cowardly? Explain.

Suppose that the functions h and g are defined as follows. h(x)=x−5 g(x)=(x+2)(x+3) (a) Find (h/g)(−4). (b) Find all values that are NOT in the domain of h/g

If you are asked to find 621 divided by 59,how do you know the quotient will be greater than 10 before you actually divide?

What does Lucas say about the preamble to the Declaration of Independence

Why are conflicts of interests a problem in business?

fran has "buy one get one free" ticket to the comedy club. she is bringing 7 people including herself. if the regular price is $10.75 per person, how much chang

Unferth, Ecglaf's son, rose up to speak, / who sat at the feet of the lord of the Scyldings; / he unbound a battle-rune the journey of Beowulf, / the brave sea

Jenna earns $8.75 per hour working at the mall. If Jenna worked hours 20 1/5 last week, how much did she earn before taxes were taken out?