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8 votes
Where does f(x) = 3x2 – 11x – 4 intersect the x-axis?

2 Answers

5 votes

Answer:

negative x intercept is at -1/3

positive x intercept 4

Explanation:

User Daniel Rinser
by
5.8k points
4 votes

Answer:
x=-(1)/(3), 4

Explanation:

Graphs intersect the x-axis where y=0, so we can set f(x)=0.


3x^2 - 11x-4=0 \\ \\ (3x+1)(x-4)=0 \\ \\ x=-(1)/(3), 4

User DaveAlden
by
6.1k points