Solve the rational equation by multiplying both sides by the LCD. Check your results for extraneous

Mathematics

1 answer:

g100num [7]2 years ago

6 0

Answer:

X=7 is a solution

X= -2 is an extraneous solution.

Step-by-step explanation:

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iren2701 [21]

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Step-by-step explanation:

yeyeyeye

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3 years ago

8x + 12 = 4r - 16 find r

Luda [366]

Answer:

r = 2x + 7

Step-by-step explanation:

get r on one side

8x + 12 + 16 = 4r

divide both sides by 4 to get r by itself

8x/4 + 12/4 + 16/4 = 4r/4

2x + 3 + 4 = r

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r = 2x + 7

8 0

3 years ago

What is the slope of the line that contains the points (-1,9) and (5,21)

geniusboy [140]

Y-y
——-
X-x

21-9=12
5-(-1) =6
So the answer is D

7 0

3 years ago

What is the value of the expression ? (243^2)^1/10 A.9 B.81 C.3 D.27

podryga [215]

$(243^2)^{\tfrac 1{10}}\\\\=243^{\tfrac 2{10}}\\\\=243^{\tfrac 15}\\\\=(3^5)^{\tfrac 15}\\\\=3^{\tfrac 55}\\\\=3^1\\ \\=3\\\\\text{Hence the the answer is C.}$

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2 years ago

What ordered pair is closest to a local minimum of the

grin007 [14]

Answer:

(2,1) aka D

Step-by-step explanation:

6 0

3 years ago