MathNeedsHelp91
MathNeedsHelp91 MathNeedsHelp91
  • 15-02-2017
  • Mathematics
contestada


What is an equation of the line?
A: y-4= 1/2 (x+2)
B: y-2- -3/8 (x+4)
C: y-1= 3/8 (x+4)
D: Y-2= -8/3 (x+4)
Please help me out

What is an equation of the line A y4 12 x2 B y2 38 x4 C y1 38 x4 D Y2 83 x4 Please help me out class=

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 15-02-2017
y-y1=m(x-x1)
is the equation of a line that passes through the pionts (x1,y1) and has a slope of m

find slope

slope between (x1,y1) and (x2,y2) is (y2-y1)/(x2-x1)
2 points are (-4,2) and (4,-1)
slope=(-4-2)/(4-(-4))=-6/(4+4)=-6/8=-3/8

the eqaution is either
y-2=-3/8(x+4) or
y+1=-3/8(x-4)


B is answer
Answer Link

Otras preguntas

Explain the importance of the ‘Bay of Pigs’ invasion for the relations between the USA and the Soviet Union
Who is the narrator of "The Day I Got Lost"? Professor Schlemiel Professor Schlemiel's wife Professor Schlemiel's friend An unknown observer
One fine day in winter some Ants were busy drying their store of corn, which had got rather damp during a long spell of rain. Presently up came a Grasshopper an
What is the mass of hydrogen in 50.0 g of propane, C3H8?9.1 g44.0 g18.2 g81.8 g
How can spell check be an effective tool
in the 6th grade classes, there are 4 girls for every 3 boys. if there are 24 girls, how many boys are there
Which is right? Please help.
Then the junk would have life.Which is demonstrated in this sentence? a.simile b.metaphor c.personification d.connotative language
How do I figure this out?
Which of the function rules below would result in the following table of values? Input:2 4 6 10 Output:5 9 13 21 a. Output = Input + 3 b. Output = 3*Input - 1