How do u sketch this equation square root x if -1<x<1

Question

I'm am new to graphing square roots 

 

Answer 1

Hey Cindy,

First one thing square root of x is not defined for -1<x≤0

because negative square roots are not define in real numbers

so your function square root of x is defined only for the other part of the interval 0≤x≤1 (In this particular case)Now to graph that, one way if you never really graphed f(x)=√x is to pick some points

=====   ==========

x               f(x)

=====   ==========

0                   0

1/4              1/2

1/3              √3/3

1/2             √2/2

1                   1

 

plot those points and connect the dots should give you an idea of what a graph of square root looks like

Answer 2

Evaluate the square-root function in the domain.  The result will be your y value of the graph.  Then just plot the points on the graph.  Finally connect the points.