51.2k views
2 votes
f(x)= -4x^2+10x-8 what is the value of the discriminant of f how many distinct real number zeros does f have

User PJT
by
8.2k points

2 Answers

3 votes

Answer:

-28 for the first box and 0 for the second box.

Explanation:

User Aaron Henderson
by
8.1k points
3 votes

Answer:

Explanation:

The function is f(x) = -4x²+10x-8

Let Δ be our the dicriminant

  • Δ= b²-4ac
  • b = 10
  • a = -4
  • c = -8
  • Δ = 10²-4*(-4)(-8)
  • Δ = 100-128
  • Δ = -28

The value of the discriminant is -28 and since it is negative this function has no real zeroes

User Juggernaut
by
8.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories