- #1

master_333

- 25

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## Homework Statement

How many points of intersection does the line y = x have with the parabola y = 6x − x2 −10 ?

A) none

B) one

C) two

D) three

E) more than three

## Homework Equations

## The Attempt at a Solution

x = 6x - x^2 - 10

-x^2+5x - 10

Used b^2 - 4ac to check the number of intersections.

The answer I got is . However my teacher marked it as incorrect. I still cannot find the problem, please help. If my teacher marked it wrong, please tell me so because I think he did. Thanks.