A Level

MATHEMATICS · Multi-part · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

Let

T(x)=2x^{3}-7x^{2}+x+10

. (i) Verify by substitution that

x=2

is a zero of

T(x)

. (ii) Using the result from part (i), factorise

T(x)

completely. (iii) Hence find all the zeros of

T(x)

. (iv) State the corresponding

x

-intercepts of the graph of

y=T(x)