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Lunna [17]
3 years ago
9

Alfonso graphs the inequality x greater-than negative 8 using the steps below. Step 1: Draw a number line, and place an open cir

cle at –8. A number line going from negative 13 to negative 3. An open circle is at negative 8. Step 2: Shade to the left of –8 to represent the infinite solutions to x greater-than negative 8. A number line going from negative 13 to negative 3. An open circle is at negative 8. Everything to the left of the circle is shaded. Step 3: Check work by substitution. x = negative 9 Negative 9 greater-than negative 8 False Which best describes the situation? The graph is incorrect. He should have used a closed circle at –8. The graph is incorrect. He should have shaded to the right of –8. The graph is correct. He should have checked his work with a number that was not on the shaded portion of the graph. The graph is correct. He should have checked his work using –8.
Mathematics
2 answers:
Maurinko [17]3 years ago
5 0

Answer:

Btw It is not C

The answer is B

Step-by-step explanation:

You have to make sure you dont get confused

HOPE THIS HELPS

STAY SAFE:)

pashok25 [27]3 years ago
4 0

Answer:

i think it is c but idk i am doing the test rn

Step-by-step explanation:

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3 years ago
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Rzqust [24]

Answer:

x = -1/2 ( 3±sqrt(37))

Step-by-step explanation:

x^2 + 3x − 7 = 0

Add 7 to each side

x^2 + 3x =7

Using complete the square

Taking the coefficient of x

3

Divide by 2

3/2

Square it

(3/2)^2 = 9/4

Add this to each side

x^2 + 3x+ 9/4 = 7+9/4

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Take the square root of each side

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x = -1/2 ( 3±sqrt(37))

6 0
4 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%20%7D%7B4x%7D%20%20%2B%20%20%20%5Cfrac%7B1%7D%7Bx%7D%20%20%3D%208" id="TexFormu
Anvisha [2.4K]
If you multiply x over, you get
8x = 3/4 + 1
8x = 7/4
x = 7/4 * 1/8
x = 7/32
7 0
3 years ago
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