Use slope-intercept form, y=mx+b, to find the value for the y-intercept (b) of a line that has a slope of 6 and passes
through the point(3, -5).
What is the new equation written in slope-intercept form?

Respuesta :

Answer:

y-intercept b = -23

The new equation is y = 6x - 23

Step-by-step explanation:

The slope-intercept form is:

y = m x + b, where

  • m is the slope
  • b is the y-intercept

∵ The slope is 6

→ Substitute it in the form of the equation

y = 6x + b

To find b substitute x and y in the equation by the coordinates of any point on the line

∵ The line passes through point (3, -5)

∴ x = 3

∴ y = -5

→ Substitute them in the equation

∴ -5 = 6(3) + b

∴ -5 = 18 + b

→ Subtract 18 from both sides

∴ -5 - 18 = 18 - 18 + b

-23 = b

The y-intercept value (b) is -23

→ Substitute it in the equation

∴ y = 6x + -23

y = 6x - 23

The new equation is y = 6x - 23

Answer:

y-intercept b = -23

The new equation is y = 6x - 23

Step-by-step explanation: