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maks197457 [2]
3 years ago
8

What is the slope-intercept form of the function described by this table?

Mathematics
1 answer:
Andru [333]3 years ago
6 0

Answer:

<em>y = - 3x + 4 </em>

Step-by-step explanation:

m = \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

y - y_{1} = m( x - x_{1} ) Point-slope form

y = mx + b  Point-intercept form

(1, 1)

(2, - 2)

m = (- 2 - 1 ) / (2 - 1) = - 3

y - 1 = - 3( x - 1 )

<em>y = - 3x + 4</em>

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Given:

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3 years ago
(5a^2+6a+2)-(7a^2-7a-5)
krok68 [10]

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- * + = -\\- * - = +

So:

5a ^ 2 + 6a + 2-7a ^ 2 + 7a + 5 =

We add similar terms taking into account that:

Equal signs are added and the same sign is placed.

Different signs are subtracted and the major sign is placed.

5a ^ 2-7a^2 + 6a + 7a +2 +5 =\\-2a ^ 2 + 13a + 7

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