Question

What are the roots of y=x2-3x-10

Answer 1

-2 and 5

b on edu 2020

Explanation:

edu 2020

Answer 2

x = 5 and -2

Explanation:

This question wants the roots, which are when y = 0.

Set the equation equal to 0:

y=x2-3x-10

0=x2-3x-10

Now we can factor this (or use our calculators).

0=(x-5)(x+2)

Separate these by the Zero Product Property.

0 = x-5

x = 5

0 = x+2

x = -2