anSweetnynd anSweetnynd

15-05-2016
Mathematics

Answered

How many real number solutions does the equation have

y=-7x^2+6x+3=0

Aone solution
Btwo solutions
Cno solution
Dinfinite solutions

Verified Answer :

Edufirst Edufirst

25-05-2016

you have to find the discriminat b^2 -4ac

If it is > 0, the function has two real solutions
if it is = 0, the function has one real solution
if it is <0, the function has no real solution

6^2 - 4(7)(3) = 36 - 84 = - 48

Answer c. no solution

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