Which graph represents y= 3 sqrt x-5?
1 answer:
Answer:
Unfortunately, your picture doesn't show all the graphs of the possible answers.
However, the graph should look like the one I attached, passing by the (5,0) point. Which is logic since a value of 5 for x would make the y the cubic root of 0... which is 0.
When trying to identify a graph of a formula, always try to see which values of x could make y = 0 or what would happen to y if x = 0, that will always give you a pretty good idea of which graph to choose from.
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What we want to do first is isolate the variable. To do this we need to multiply each side by 5 to remove the fraction
5 * 5 = 5*
w
Simplify the right side
5 * w = 1w
Now simplify the left side
5 * 5 = 25
Then we get...
25 = w
There's your answer!
5 * 5 = 5*
Simplify the right side
5 *
Now simplify the left side
5 * 5 = 25
Then we get...
25 = w
There's your answer!