Processing math: 100%
Home / Aptitude Tests / Mathematics / At what real value o...
At what real value of x do the curves whose equations are y ...

At what real value of x do the curves whose equations are y = x3 + x and y = x2 + 1 intersect?

A.

-2

B.

2

C.

-1

D.

9

E.

1

Correct answer is E

y = x3 + x and y = x2 + 1
x21012Y=x3+x1020210y=x2+152125
The curves intersect at x = 1