3 years ago

Find the equation of the line with a slope of − 1/2 through (4, 5)

Mathematics

1 answer:

STALIN [3.7K]3 years ago

5 0

Answer: Hello:

Slope - intercept form is y = mx + b.

Since -1/2 is your slope and 5 is your y - intercept, all you need to do is substitute those values into the equation:

y = -1/2 + 5

Hope this helps!

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A quadtratic equation that has x intercepts of -8,0 and 2,0 and has a vertical stretch of 3

Paladinen [302]

Answer:

f(x) = 3(x + 8)(x - 2)

Step-by-step explanation:

The intercept form of a quadratic function is y = a(x - r)(x - s), where r and s are the x-intercepts and a is the vertical stretch/compression factor.

If the intercepts are at (-8, 0) and (2, 0), and the vertical stretch is 3, just substitute these values into the intercept form formula, and you're done!

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3 years ago

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