Can someone please help me with 4+5 and 6 pleaseeeee
2 answers:
Answer:
<em>Answer to (4+5): </em>(0,0)
<em>Answer to 6: </em>0
Step-by-step explanation:
<em>(4+5 Explanation)</em>:
We can start to imagine the graph of in our head.
If we have a positive value of x, then y will be equal to x.
If we have a negative value of x, then y will be the opposite of x (since the absolute value of a negative is a positive).
This means that the graph will look a bit like this, changing at the point (0,0).
\/, it would look like a downward facing arrow. This means the vertex is at (0,0).
<em>6 Explanation</em>:
If we know the value of , we can substitute it into the expression
as 5.
Hope this helped!
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Answer:
Hi there, you can use Pitagoras relationship to solve this up (Without using any other "tool".
Point A is located wheter in (-6,8) or could be located in (-6,8)
Step-by-step explanation:
Point A is 10 units away from the origin, and its x coordinate is -6, using this information, you can draw a triangle from 0 to -6 (the basis) and using 10 as the hypotenuse, so, you have this equation:
solving for Y variable, you have this
y=±
Note the combined sing ±, meaning that y=8 is a valid answer and that y= -8 is also a valid answer.
Hope It helps