7 months ago

(x+5)^2=4 , How do I solve this by square roots?

Mathematics

1 answer:

solmaris [256]7 months ago

3 0

Explanation

$(x+5)^2=4$

Step 1

Square both sides of the equation.

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"eight times the difference of a number and three is sixty-four"?

morpeh [17]

Answer:

the number would be 11

Step-by-step explanation:

8 · x - 3 = 64

________ _ (divide both sides by 8)

8 8

x - 3 = 8

+ 3 + 3

x = 11

(check:

11 - 3 = 8

8 x 8 = 64 )

5 0

1 year ago

Read 2 more answers

The function f(x)={1/5}^x is translated up 4 units. Which equation represents the translated function

insens350 [35]

$f(x+n)\to\text{translation n units left}\\\\f(x-n)\to\text{translation n units right}\\\\f(x)+n\to\text{translation n units up}\\\\f(x)-n\to\text{translation n units down}\\\\\\f(x)=\left(\dfrac{1}{5}\right)^x\to f(x)+4=\left(\dfrac{1}{5}\right)^x+4\\\\Answer:\ g(x)=\left(\dfrac{1}{5}\right)^x+4$