Algebra Examples

$- 2 r^{5} + 4 r^{3} + 9 r - 7$

Step 1

Write $- 2 r^{5} + 4 r^{3} + 9 r - 7$ as a function.

$f (r) = - 2 r^{5} + 4 r^{3} + 9 r - 7$

Step 2

The function must be in terms of $x$ for the leading coefficient test.

Unknown variables