What is the rule for the reflection?
1 answer:
The figure is being reflected over the x axis (horizontal axis). Any y coordinate that is negative becomes positive, and vice versa. The x coordinate stays the same.
If we have some point (x,y) as the original point, then it would turn into (x,-y). Note how the y coordinate has a negative on it now.
So we can say
which is what choice C is saying.
Choice C is the answer
Choice D is NOT the answer because the words "y axis" under the 'r' should be "x axis" instead.
If we have some point (x,y) as the original point, then it would turn into (x,-y). Note how the y coordinate has a negative on it now.
So we can say
Choice C is the answer
Choice D is NOT the answer because the words "y axis" under the 'r' should be "x axis" instead.
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<u>Answer: </u>
Simplified form of given expression (2x – 9 )( x + 6 ) is
<u> Solution: </u>
We need to simplify following expression.
(2x – 9) ( x + 6)
For sake of simplicity lets first assume 2x – 9 = A
So expression becomes A(x+6)
= Ax + A6
Now replace A by 2x – 9
= (2x – 9 ) x + (2x – 9 ) 6
On simplification, we get
Hence simplified form of given expression (2x – 9 )( x + 6 ) is