Question

Write the slope-intercept form of the equation for the line.

Answer 1

Answer:

y = (- 7/8)*x - 1.5

Step-by-step explanation:

One point is (-4,2) and the other one is (4,-5)

The first step is to find the slope.

m = (y2 - y1) / (x2 - x1)

• y2 = 2
• y1 = -5
• x2 = -4
• x1 = 4

Solution

Find the slope

m = (2 - - 5) / (-4 - 4)

m = (2 + 5) / (- 8)

m = 7 / - 8

So far what you have is y = (-7/8)x + b

Find the y intercept.

Use (4,-5)

y = (-7/8)x + b

x = 4

y = - 5

-5 = (-7/8) * 4 + b

-5 = -7/2 + b

-5 = - 3.5 + b                    Add 3.5 to both sides.

-5 + 3.5= - 3.5+ 3.5 + b

- 1.5 = b

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