Write the equation of the line through the given points: (0, 7), (-5, 17)

Mathematics

1 answer:

wlad13 [49]3 years ago

6 0

Answer:

y = -2x + 7

Step-by-step explanation:

we know that y = mx + b

we also know that plugging both of these points into this equation will work. we can create a system of two equations that will let us solve for m and b.

equation 1:

7 = m(0) + b

equation 2:

17 = m(-5) + b

based on equation 1, b = 7. put this in equation 2

17 = m(-5) + 7

m = -2

thus the equation will be

y = -2x + 7

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What is s squared +2x-35 factor

Evgen [1.6K]

X^2 + 2x - 35

(a x b) = -35
(a + b) = 2

(7 x -5) = -35
(7 + -5) = 2

Plug them in:

x^2 - 5x + 7x -35
x(x - 5) + 7(x - 5)

Therefore, you can conclude that our final answer is...

(x + 7)(x - 5)

If you have any questions or do not understand, comment below my answer. :)

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