Step 1. Move all terms to one side.

Step 2. Simplify

to


Step 3. Factor out the common term 3

Step 4. Factor

1. <span>Ask: Which two numbers add up to -2 and multiply to -8?
2. </span><span> Answer: -4 and 2
3. </span>Rewrite the expression as


Step 5. solve for

1. Ask: When will

equal zero?
2. Answer: When

or

<span>
3. </span><span>Solve each of the 2 equations above:
</span>

<span>
Done! :) </span>

is your answer.
The axis of symmetry is -2
Answer:
It is not arithmetic sequence
Step-by-step explanation:
If you take any number in the sequence then subtract it by the previous one, and the result is always the same or constant then it is an arithmetic sequence.
hope it helps
The image of the dilation is shown below, with the centre of dilation (0,0) and scale factor of 3
The coordinate of C' is (6, -3) which is three times of the coordinate of C(2, -1)