3 years ago

How do I write 4 times the sum of a number and 8.

Mathematics

1 answer:

Pavlova-9 [17]3 years ago

3 0

Answer:

This would be written as 4(x+8)

Step-by-step explanation:

We don't know the number it is referring to, so let's call that x. It also says it has to show the sum of x and 8 would be adding them and then multiplying the sum of those numbers by 4.

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What is the slope that passes through the points : (-2,9) and (4,-7)

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Use the slope formula below:

$\large \boxed{m = \frac{y_2 - y_1}{x_2 - x_1} }$

The m-term represents the slope.

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$\large{m = \frac{9 - ( - 7)}{ - 2 - 4} } \\ \large{m = \frac{9 + 7}{ - 6} \longrightarrow \frac{16}{ - 6} } \\ \large{m = \frac{8}{ -3 } \longrightarrow - \frac{8}{3} }$