makaylahall1 makaylahall1
  • 02-05-2020
  • Mathematics
contestada

What are the roots of y = x2 – 3x - 10?
0 -3 and -10
0-2 and 5
2 and -5
3 and 10

Respuesta :

mysticchacha
mysticchacha mysticchacha
  • 03-05-2020

Answer:

roots:   -2   and 5

Step-by-step explanation:

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

we see...

factor  -10 ....    using the X-method.

-10 =  2 * -5

where  2 + -5 = -3

so

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

roots are  -2 and 5

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