Algebra

Answer all the questions below and press submit to see how many you got right.

id: 11518

Select all statements that are true about the function $y=x^2$.

  • The value of the function gets bigger the bigger $x$.
    The value of the function is positive for all $x$.
    The only root of the function is $x=0.$
    There are two roots of the function.
id: 9359

What is the value of the expression $x^2$ for $x=20?$

id: 11523
Card image cap

The above picture shows that graph of the function $f(x)=$_______.

  • $2x$
    $-x$
    $x^2$
    $x$