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marysya [2.9K]
3 years ago
12

8. Identify which equation is a graph of a vertical line.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
4 0

Answer:

10x = 10.

Step-by-step explanation:

The equation will contain the  x variable only.

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Factor by grouping.. . 3x^2 + 7x – 6. A. (3x – 2)(x – 3) . B. (3x – 2)(x + 3) . C. (x + 3)(3x + 2) . D. (3x + 2)(x – 3)
Alchen [17]
The correct answer is letter "<span>B. (3x – 2)(x + 3)."
</span>
This is how to factor the given polynomial:
<span>3x^2 + 7x – 6
(3x - 2) (x + 3) 

It takes trial and error in order to get the final factor of a given polynomial. It has to be exact and correctly done.</span>
6 0
3 years ago
Factor this expression fully <br><img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%28x%20-%201%29%20-%209x%28x%20-%201%29%2
AnnZ [28]

Answer:

1,0

Step-by-step explanation:

No need to expand look at the roots of the brackets.

(x-1)=0

x=1

x^2 and -9x have roots 0

Think of it as whatever sets the expression to 0.

8 0
3 years ago
@Texischic101 Write 987% in decimal form.<br> A) .0987 <br> B) .987 <br> C) 9.87 <br> D) 98.7
torisob [31]

The decimal form of 987% is 0.987.

7 0
3 years ago
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What is h(x)=|3x|-1 ? x=7. Insert 7 for x. Thanks!!
tiny-mole [99]

Answer: 20

<u>Step-by-step explanation:</u>

h(x) = |3x| - 1

h(7) = |3(7)| - 1

      = |21| - 1

      =  21  - 1

      = 20

3 0
3 years ago
Triangle ABC has a right angle at B. If sin A = 2/7 then cot A is_
zmey [24]

Answer:

Dear Aljanahi,

Answer to query is provided below-

Cot A value is 6.708/7

Step-by-step explanation:

The image attached has step by step explanation.

3 0
3 years ago
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