Answer:
Step-by-step explanation:
Given
Options (a) to (d)
Required
Which represents an arrow pointing left
When an arrow points left on an inequality graph, the inequality is either of the following:
or 
From the given options (a) to (d), only fits the above description.
Other options illustrate an arrow pointing to the right
To further explain this;
Looking at (b), we have:
This is rewritten as:
--- the same form as (c) and (d)
Answer: False
Step-by-step explanation:
Two negatives equals a positive
Let's look at the equation we have.
18x + 2x = 31
The first step would be to combine like terms. Ex: 18x and 2x
18x + 2x = 31
20x = 31
Now, to isolate the x, you would divide both sides by 20.
20x = 31
x = 1.55
x = 1.55
I hope this helps!
<u>Answer:</u>
2x²+6x-9=0
<u>Step-by-step explanation:</u>
2x(3+x)=9
6x+2x²=9
2x²+6x-9=0
