Register
F(x)=-3x+5x^2+8 has _______ roots
156k views
4 votes
F(x)=-3x+5x^2+8 has _______ roots

User Drew Steen
by
5.8k points

2 Answers

1 vote

Answer:2

Explanation:

User Doug Ray
by
5.1k points
6 votes

Answer:

Complex roots.

Explanation:

f(x) = 5x^2 - 3x + 8

The value of the discriminant will tell us how many roots and what type of roots this has:

b^2 - 4ac = (-3)^2 - 4*5*8

= 9 - 160

= -151.

This is negative so the equation has 2 complex roots.

User Jake Mulhern
by
5.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.6m questions

7.3m answers

Other Questions

What is the value of x? (-4) - x = 5
1/7 + 3/14 equivalent fractions
185g in the ratio 2:3
(3x1,000,000)+(3x100,000)+(2x100) what is this number written in standard form?
The function h = -t2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the time, in seconds, that the ball is in the air. Assuming the boy lives at sea
Link Copied!