leslieeann24
leslieeann24 leslieeann24
  • 22-04-2022
  • Mathematics
contestada

What's the equation of the line that passes through the points (–8,4) and (0,22)?

Whats the equation of the line that passes through the points 84 and 022 class=

Respuesta :

jimrgrant1 jimrgrant1
  • 22-04-2022

Answer:

C

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (- 8, 4 ) and (x₂, y₂ ) = (0, 22 )

m = [tex]\frac{22-4}{0-(-8)}[/tex] = [tex]\frac{18}{0+8}[/tex] = [tex]\frac{18}{8}[/tex] = [tex]\frac{9}{4}[/tex]

the line crosses the y- axis at (0, 22 ) ⇒ c = 22

y = [tex]\frac{9}{4}[/tex] x + 22 ← equation of line

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