anari98 anari98
  • 13-04-2020
  • Mathematics
contestada

y= -(x - 1)(x + 3) has how many real roots?
Answer choices:
A.2
B. Cannot be determined
C.1
D.0

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 13-04-2020

Answer:

A.2

Step-by-step explanation:

y= -(x - 1)(x + 3)

To find the roots, set y=0

0 = -(x - 1)(x + 3)

Using the zero product property

x-1 =0   x+3=0

x=1      x =-3

There are 2 real roots

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