Select the two values of x that are roots of this equation.
2x^2 — 11x + 15 = 0

A. x = 5
B. x = 3
C. x = 6
D. x = 5/2

Question

ariannamacias0086 ariannamacias0086

25-04-2021
Mathematics

contestada

Select the two values of x that are roots of this equation.
2x^2 — 11x + 15 = 0

A. x = 5
B. x = 3
C. x = 6
D. x = 5/2

Respuesta :

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tankisfun97 tankisfun97 · Answer 1 · 2021-04-25T01:09:10+02:00

tankisfun97 tankisfun97

25-04-2021

Answer:

3 ; 5/2

Step-by-step explanation:

Δ= 121 - 120 = 1

x1 = (11 + 1)/4 = 3

x2 = (11-1)/4 =5/2

Answer Link

botikoti24 botikoti24 · Answer 2 · 2021-04-25T01:13:45+02:00

botikoti24 botikoti24

25-04-2021

Answer:

Step-by-step explanation:

We can use the formula of delta.(you can see it in the picture down below)

So:

a=2

b=-11

c=15

So delta=-11 x -11 - 4*2*15

delta=121-120

delta=1

x1=-(-11)+1/4

x1=11+1/4

x1=12/4

x1=3

x2=11-1/4

x2=10/4

x2=5/2

Answer Link

Select the two values of x that are roots of this equation. 2x^2 — 11x + 15 = 0 A. x = 5 B. x = 3 C. x = 6 D. x = 5/2

Respuesta :

Otras preguntas

Select the two values of x that are roots of this equation.
2x^2 — 11x + 15 = 0

A. x = 5
B. x = 3
C. x = 6
D. x = 5/2