Root Functions
Interactive practice questions
Consider the function $y=\sqrt{x}$y=√x.
a
State the $y$y value of the $y$y-intercept.
b
Complete the table of values.
| $x$x | $1$1 | $4$4 | $9$9 | $16$16 |
|---|---|---|---|---|
| $y$y | $\editable{}$ | $\editable{}$ | $\editable{}$ | $\editable{}$ |
c
Which of the following statements is correct?
As $x$x increases, $y$y increases at a constant rate.
A
As $x$x increases, $y$y increases at a decreasing rate.
B
As $x$x increases, $y$y increases at an increasing rate.
C
d
Graph the function.
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Easy
2min
Consider the function $y=\sqrt{-x}$y=√−x.
Easy
1min
Consider the function $y=-\sqrt{x}$y=−√x.
Easy
1min
Consider the function $y=\sqrt{3x}$y=√3x.
Easy
2min
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