Write the ratio in two different ways. (6.PA.1)

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

8 0

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Part 1: Write the equation of the line that passes through the points (–1, –4) and (2, 5).

jeyben [28]

Y - (-4) = (5 - (-4))/(2 - (-1)) (x - (-1))
y + 4 = (5 + 4)/(2 + 1) (x + 1)
y + 4 = 9/3 (x + 1)
y + 4 = 3(x + 1)
y + 4 = 3x + 3
y = 3x + 3 - 4
y = 3x - 1

5 0

4 years ago

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Z=5x-11y ?<br><br> and-2-5v < 8

velikii [3]

Answer:

Step-by-step explanation: v> -2 the > has a line under it

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4 years ago

he Pearson family is on vacation in Alaska. Since Mr. Peterson has always wanted to see Mt. McKinley, they are taking a scenic t

Aloiza [94]

Answer:

Mr. Peterson

Step-by-step explanation:

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3 years ago

Solve 2x^3+7x^2-2x-1=o

Mashcka [7]

Answer:

$x=\sqrt{3}-2\\x=-\sqrt{3}-2\\x=\frac{1}{2}$

Step-by-step explanation:

This is a hard one

We have to use the rational root theorem

$2x^3+7x^2-2x-1$ = 0

We have to find all the factors of a and d and put them in a fraction

$a=2\\d=-1\\\frac{1}{1,2}$

We then plug them into the equation to see if any of them work

The equation isn't true when plugging 1, but is true when plugging in 1/2

factored form of 1/2 is (2x-1)

Then we divide the original equation by (2x-1) (you can use synthetic division or long division, it would be hard to type out the process for that) to get $x^2+4x+1$