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Which of the following options best describes the solution process and solution(s) for the quadratic equation?

-2x2 + 3x + 4 = 7



1.factoring; two real rational number solutions
2.quadratic formula; two non-real rational solutions
3.factoring or quadratic formula; two real irrational number solutions
4.quadratic formula or completing the square; two real irrational number solutions

User Jakobht
by
8.3k points

1 Answer

2 votes

Answer:

Option c)

Explanation:

Given quadratic equation is


-2x^2+3x+4=7


-2x^2+3x+4-7=0


-2x^2+3x-3=0

Multiply the above equation into (-) we get,


2x^2-3x+3=0

To find the solution of quadratic equation
ax^2+bx+c=0 is

[tex]x=-b

User Yair Levi
by
8.0k points

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