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2 years ago

Find the slope of the line that passes through (−1, 3) and (1, 13).

Mathematics

1 answer:

Scrat [10]2 years ago

6 0

Answer:

Step-by-step explanation:

Slope = (change in y)/ (change in x)

= (13 - 3)/(1 - (-1))

= (13 - 3)/(1 + 1)

= 10/2

= 5

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Vikentia [17]

Answer:

$4\left(2x+7\right)-3\left(x+5\right)=5x+13$

Step-by-step explanation:

Given the expression

$4\left(2x+7\right)-3\left(x+5\right)$

<u>Expand and simplify the expression</u>

$4\left(2x+7\right)-3\left(x+5\right)$

Expand 4(2x + 7) = 8x + 28

$4\left(2x+7\right)-3\left(x+5\right)=8x+28-3\left(x+5\right)$

Expand -3(x + 5) = -3x - 15

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Group like terms

$=8x-3x+28-15$

Add similar elements: 8x - 3x = 5x

$=5x+28-15$

Simplify

$=5x+13$

Therefore, we conclude that:

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