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lana66690 [7]
3 years ago
15

Given the equation y = 2x - 5 and the domain {-1, 4} find the slope

Mathematics
1 answer:
Ksivusya [100]3 years ago
8 0

Answer:

The slope  is m=2

Step-by-step explanation:

we have

y=2x-5

This is the equation of a line in slope intercept form

y=mx+b

where

m is the slope

b is the y-coordinate of the y-intercept

therefore

The slope m is equal to

m=2

<em>Alternative Method</em>

we know that

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

y=2x-5  and the domain {-1, 4}

For x=-1

y=2(-1)-5=-7

point (-1,-7)

For x=4

y=2(4)-5=3

point (4,3)

substitute the values in the formula of the slope

m=\frac{3+7}{4+1}

m=\frac{10}{5}

m=2

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