3 years ago

Someone please help with PI and explain the answers. i have to learn this.

Mathematics

1 answer:

dalvyx [7]3 years ago

8 0

I hope this helps you

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- 2a + 5b - 3c + 2a + b

kifflom [539]

The answer would be 6b-3c because a would cancel out and be 0

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3 years ago

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Please help me!? Explain why i got this wrong ? how to do it right?

IgorLugansk [536]

Y - y1 = m(x - x1)
slope(m) = -3/7
(5,8)...x1 = 5 and y1 = 8
now we sub
y - 8 = -3/7(x - 5) <===

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4 years ago

Thank you for helping me

dedylja [7]

Answer:

thank you for giving me points ;)

Step-by-step explanation:

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krok68 [10]

I think it would be the first one? 2 units to the left of g(x).

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4 years ago

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Find the focus for y=x^2+4x-7

padilas [110]

ANSWER

$(2,-10.75)$

EXPLANATION

The given function is

$y = {x}^{2} - 4x - 7$

We rewrite this function to obtain,

$(y + 11) = {( x- 2)}^{2}$

We now compare this function to

$(y - k) = 4p {( x- h)}^{2}$

We have

$4p = 1$

This implies that,

$p = \frac{1}{4}$

The vertex is (2,-11).

The focus is

$(2,-11+ \frac{1}{4} )$

$(2,- \frac{43}{4} )$

$(2,-10.75)$

7 0

3 years ago