2 years ago

11. Write the equation of a line passing through the two points. First find the slope and the y-

Mathematics

1 answer:

tensa zangetsu [6.8K]2 years ago

8 0

Answer:

Y intercept is (0,3)

Step-by-step explanation:

Check out the image

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Factor this polynomial completely x2 + 3x – 18 A. (x-2)(x + 9) B. (x+3)(x-6) оо C. (x - 3)(x+6) D. (x - 3)(x-6)

Umnica [9.8K]

Answer:

C. $(x-3)(x+6)$

Step-by-step explanation:

I think the equation meant $x^2+3x-18$ ?

Anyways, to factor these kinds of quadratic, keep into consideration:

$ax^2+bx+c=(x+w)(x+v)$

ONLY if:

$w+v=b\\wv=c$

Start off by finding factors of c, which in this case, -18:

±(1, 2, 3, 6, 9, 18)

If one of the numbers is negative then the other number must be positive.

Find which two factors will sum up to b, which in this case, is 3.

$1+(-18)\neq 3\\2+(-9)\neq 3\\3+(-6)\neq 3\\6+(-3)=3\\9+(-2)\neq 3\\18+(-1)\neq 3\\$

The only two factors that work are 6 and -3.

Replace them into the factored form:

$(x+w)(x+v)\\(x+6)(x-3)\\(x-3)(x+6)$

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10 pounds of onions cost $100 how many pounds of onions can get with $150

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Answer:

Step-by-step explanation:

$100 / 10 pounds = $10 / pound

$150 / 10 dollars = 15 pounds of onions

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I need help with this, please! I need to solve this using inverse operation to isolate the variable.

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Since the inverse property of subtraction is addition, wouldn’t you add n on both sides so then the value of n=0?

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HELP PLZ FIRST TO ANSWE GETS BRAINLIEST

tigry1 [53]

Hey there!

I think the answer is B.

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telo118 [61]

Answer: positive I think

Step-by-step explanation:

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