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Alexxx [7]
2 years ago
12

Solve for x and show your steps. Is the solution extraneous? Check your work to show how you determined if the solution is extra

neous or not.
The square root of the quantity 2 x minus 7 end quantity equals 1.
Mathematics
2 answers:
natima [27]2 years ago
7 0

Answer:

x = 32

Step-by-step explanation:

Add 7 to both sides

\sqrt{2x} -7+7=1+7

Simplify

-7 + 7 = 0 and 1 + 7 = 8 because of this now \sqrt{2x} =8

Square both sides

2x = 64

Slove 2x = 64

64 ÷ 2 = 32 = x

balu736 [363]2 years ago
7 0

Answer:

x=32

Step-by-step explanation:

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ollegr [7]

Answer:

y =  - 4x - 42

Step-by-step explanation:

The equation of the line that is parallel to the line we are trying to find is

- 3y + 4x = 9 \\ or \\  - 3y =  - 4x + 9 \:(standard form) \\ \\therefore \: the \: slope \: of \: the \: line \\  \: is \:  - 4

We can recall that when two lines are parallel it means that they have the same slope. Therefore the slope of the line we are trying to find is also -4. We now know that:

y = 6 \:  \:  \: x =  - 12 \:  \:  \: slope =  - 4

Therefore the equation of the line is:

y = mx + c \\  6= ( - 4)( - 12) + c \\ 6 = 48 + c \\ 6 - 48 = c \\  - 42 = c

y = mx + c \\ y =  - 4x - 42

3 0
2 years ago
Hell help me out thank youuuuuu byeee
Crank

Answer:

if im right its number 4!! if its not right sorry i did the math and thats what i got!!

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3 years ago
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xxMikexx [17]

Answer:

1

Step-by-step explanation:

There's a theorem that says "through 2 points it only cross one and only one line". Having this as our start point, we can guarantee that there's only one line that can be drawn through those points

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