2 years ago

Find the value of c that makes t^2– 22t+ c a perfect square trinomial.

Mathematics

1 answer:

riadik2000 [5.3K]2 years ago

3 0

Answer:

ZkgJHhHJ HHha sorry i am not sure

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Which translation maps the graph of the function fx=x2 onto the function gx= x2+(-8x)+7

Olin [163]

Answer:

<h2>Shift the graph of f(x) 4 units to the right</h2><h2>and 7 units up</h2>

Step-by-step explanation:

f(x) + n - shift a graph of f(x) n units up

f(x) - n - shift a graph of f(x) n units down

f(x + n) - shift a graph of f(x) n units to the left

f(x - n) - shift a graph of f(x) n units to the right

=============================================

We have

$f(x)=x^2,\ g(x)=x^2+(-8x)+7$

Convert the equation of g(x) to the vertex formula:

$y=a(x-h)^2+k$

$g(x)=x^2+(-8x)+7\\\\g(x0=x^2-2(x)(4)+7\\\\g(x)=\underbrace{x^2-2(x)(4)+4^2}-4^2+7\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\g(x)=(x-4)^2+7=f(x-4)+7\\\\\text{shift the graph of f(x) 4 units to the right and 7 units up}$

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2 years ago

Andy is hanging wallpaper in his kitchen. He is able to cover of the walls in the room using 6 rolls of wallpaper. What is the n

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Step-by-step explanation:

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3 years ago

Which is better buy? 5 lb of flour for $0.90 or<br> 8 lb for $1.25

Ludmilka [50]

Well let’s see if there’s a least common multiple of 5 and 8. Since 40 is the least common mult. We will multiply 40 x .90 and 40 x 1.25 . 40x.90 is 36 while 40x1.25 is 50. It’s better to buy eight pounds for 1.25!

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