New Zealand
Level 7 - NCEA Level 2
Factoring Cubics with an identifiable factor
Interactive practice questions
Consider the expression $x^3-64$x3−64.
a
Factorise this expression.
b
Does $x^3-64$x3−64 have any other real-valued linear factors?
Yes
A
No
B
c
State the number of real-valued linear factors that $x^3-64$x3−64 has.
Easy
2min
The polynomial $x^3+5x^2+2x-8$x3+5x2+2x−8 has a factor of $x-1$x−1.
Easy
4min
Consider the cubic $x^3+4x^2-11x-30$x3+4x2−11x−30.
Easy
4min
By looking for linear factors of $12x+x^2-x^3$12x+x2−x3, factorise it completely.
Easy
2min
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