3 years ago

What is the slope? What is the y-intercept? What is the equation of the line (slope intercept form?)

Mathematics

1 answer:

yawa3891 [41]3 years ago

7 0

Answer:

The slope is: m = -²/₅

The y-intercept is: b = -2

The equation of the line: y = -²/₅x - 2

Step-by-step explanation:

The equation of a line in slope intercept form: y = mx + b

The slope: $m=\dfrac{y_2-y_1}{x_2-x_1}$

(-5, 0) ⇒ x₁ = -5, y₁ = 0

(0, -2) ⇒ x₂ = 0, y₂ = -2

So:

$m=\dfrac{-2-0}{0-(-5)}=-\dfrac25$

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Whitepunk [10]

<span>length of finger nail in m month =10+3m
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=10+24 =34mm
I think thats the answer but im pretty sure thats the answer </span>

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3 years ago

Read 2 more answers

More solving quadratic equations: the quadratic formula again, what we've all been waiting for. the quadratic formula is pretty

kirill [66]

You don't have a question in there but I can tell you that the quadratic formula that is shown is not quite correct.
<span>x = -b ± √b2 - 4ac 2a
For one thing, the first 3 terms should ALL be divided by 2a
The square root symbol should be extended from b^2 through 4ac
The division symbol is missing.
So the quadratic formula SHOULD read:
x = [-b +- sq root (b^2 - 4ac) ] / 2a
Also I have attached a graphic of the quadratic formula.

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