Solve for x. write the smaller solution first, and the larger solution second. round to two decimal

8 answers
Question:

Solve for x. write the smaller solution first, and the larger solution second.
round to two decimal places.
(x + 8)2 – 7 = 0
smaller x =
larger x

Answers

x= -4.5

x= -9/2

I am confused by what you mean when you say: larger and smaller x

Step-by-step explanation:

2x+16-7=0

2x+9=0

2x=0-9

2x=-9

x=-9/2

x=-4.5

x=-4.73   x=-1.27

Step-by-step explanation:

(x + 3)^2 - 3 = 0

Add 3 to each side

(x + 3)^2 - 3 +3= 0+3

(x + 3)^2 = 3

Take the square root of each side

sqrt((x + 3)^2) =±sqrt( 3)

(x + 3) =±sqrt( 3)

Subtract 3 from each side

x + 3-3 =-3±sqrt( 3)

x = -3±sqrt( 3)

Approximating to 2 decimal places

x=-1.27 x=-4.73

[tex]x = - 10.32 \: or \: x = - 3.68[/tex]

Step-by-step explanation:

We want to solve the equation:

[tex]{(x + 7)}^{2} - 11 = 0[/tex]

Add 11 to both sides of the equation:

[tex]{(x + 7)}^{2} = 11[/tex]

Take square root to get:

[tex]x + 7 = \pm \sqrt{11}[/tex]

Subbtract 7 from both sides.

[tex]x = - 7 \pm \sqrt{11}[/tex]

[tex]x = - 7 - \sqrt{11} \: or \: x = - 7 + \sqrt{11}[/tex]

[tex]x = - 10.32 \: or \: x = - 3.68[/tex]

[tex]x^{1} =-9.41\\x^{2} =-6.58[/tex]

Step-by-step explanation:

Smaller x: -4.73

Larger x: -1.27

Step-by-step explanation:

Uh rounding

Step-by-step explanation: I actually have no Idea on what your homework is even about.

x = -4.73, -1.27

Step-by-step explanation:

(x + 3)² - 3 = 0

(x + 3)² = 3

(x + 3) = +/- sqrt(3)

x = -3 +/- sqrt(3)

x = -4.73, -1.27

x= -18.16    x= -11.84

Step-by-step explanation:

(x+15)(x+15)=         x^2+30x+225-10=0

x^2+30x+215=0

a=1                      -30±√(30)²-4(1)(215)

b=30                    

c=215                              2(1)

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