SOLUTION: To Whom Ever Can Assist...thank you. For the equation x - 2 square root of x = 0, solve for all values of x that satisfies the equation. Graph the functions y = x and y = 2 s

Question 57296: To Whom Ever Can Assist...thank you.
For the equation x - 2 square root of x = 0, solve for all values of x that satisfies the equation.
Graph the functions y = x and y = 2 square root of x on the same graph,by plotting points if necessary. Show the points of intersection of these two graphs.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
For the equation x - 2 square root of x = 0, solve for all values of x that satisfies the equation.
:

Square both sides and you have:

Factor:
x(x-4) = 0
:
x = 0
and
x = +4
:
:
Graph the functions y = x and y = 2 square root of x on the same graph,by plotting points if necessary. Show the points of intersection of these two graphs.
:
You should know that when y = x you plot a 45 degree line going through the
origin. ie x=0, y=0; x=1, y=1; x=2, y=2, etc
:
Plot y = 2*SqRt(x)
:
Calculate y for each value of x, I gave the integer value: plot these:
x | y c
-------
0 | 0
1 | 2
4 | 4
9 | 6
:
When you plot these two graphs, Note that the two graphs intersect at two points. When x = 0 and x = 4

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