abagaillewis
abagaillewis abagaillewis
  • 16-12-2016
  • Mathematics
contestada

Use the graph shown to find one of the solutions to the quadratic equation
x^2-7x 10 = 0.
A)-7
B)-6
C)-3
D)2

Respuesta :

Аноним Аноним
  • 16-12-2016
x^2-7x 10 = 0
(x - 5) (x-2) = 0

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

answer is D
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 16-12-2016
dere's no graph
we can factor tho


x^2-7x+10=0
what 2 numbers multiply to get  10 and add to get -7?
-2 and -5

(x-2)(x-5)=0
set to zero

x-2=0
x=2

x-5=0
x=5



x=2 or 5

the only listed one is 2
D is answer
Answer Link

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