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3 years ago

(s+12)+(-3s-8) equals?

Mathematics

1 answer:

finlep [7]3 years ago

4 0

Answer:

-2s + 4

General Formulas and Concepts:

Combining like terms

Step-by-step explanation:

Step 1: Define expression

(s + 12) + (-3s - 8)

Step 2: Simplify

Combine like terms (s): -2s + 12 - 8
Combine like terms (constants): -2s + 4

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which of the following represents the equation of the line with an x- intercept of 6 that passes through the point (4,4)?

luda_lava [24]

Answer:

$y=-2x+12$

Step-by-step explanation:

To write the equation of a line, find the slope between two points. Substitute two points into the slope formula. If the equation has an x-intercept of 6 then the line passes through the point (6,0). Use (6,0) and (4,4) in the formula.

$m = \frac{y_2-y_1}{x_2-x_1} =\frac{4-0}{4-6} =\frac{4}{-2} =-2$

Since m = -2, substitute its value and the point (6,0) into the point slope form. Then simplify.

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