aydenlissette aydenlissette
  • 13-10-2019
  • Mathematics
contestada

A line passes through the point (-10,5) and has a slope of -3/2. Write an equation in slope-intercept form for this line.

Respuesta :

gmany
gmany gmany
  • 13-10-2019

Answer:

[tex]\large\boxed{y=-\dfrac{3}{2}x-10}[/tex]

Step-by-step explanation:

The slope-intercept form of an equation of a line:

[tex]y=mx+b[/tex]

m - slope

b - y-intercept

We have the point (-10, 5) and the slope m = -3/2.

Substitute to the equation of a line:

[tex]5=-\dfrac{3}{2}(-10)+b[/tex]

[tex]5=(3)(5)+b[/tex]

[tex]5=15+b[/tex]          subtract 15 from both sides

[tex]5-15=15-15+b[/tex]

[tex]-10=b\to b=-10[/tex]

Finally we have:

[tex]\large{y=-\dfrac{3}{2}x-10}[/tex]

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