imshelsabetteB imshelsabetteB
  • 21-11-2016
  • Mathematics
contestada

How many times does the graph of the function below intersect or touch the x-axis? y=-3x^2+x+4 ...?

Respuesta :

syed514
syed514 syed514
  • 04-12-2016
when the graph touches x axis at that point y = 0

 So, putting y =0
  0 = -3x^2 + x +4
so, if you factoriazte it

−3x^2++4x−3x+4=0

−3x(x+1)+4(x+1)=0

(x+1)+(−3x+4)=0

x=−1,4/3

So, two time at -1 and 4/3 it touches the x-axid
Answer Link
solbgab
solbgab solbgab
  • 29-01-2019

Answer:

The answer is 2 times.


Answer Link

Otras preguntas

Whch part of reproductive system produces semen​
!!! 25 POINTS HELP PLS Use technology to approximate the solution(s) to the system of equations to the nearest tenth of a unit. Select all that apply.
Find the size of one interior angle of a regular 10-sided polygon.
given that f(m) = m/2, find m​
Sydney finished all his work on time, but many of his teammates still struggled to complete their assignments. What should he do? a) Not to be distracted. Th
distinguish between written constitution and unwritten constitution​
What is agricultural profession ? Why is it important?​
A trader sold 90 oranges at 3 for GHC 0.75. How much did she get from selling all the oranges?
basic source of magnetism is a) charged particles alone b)Movement of charged particles c) Magnetic dipoles d)magnetic domains ​
Write a 6-digit number that fits the description.1. The value of its thousands digit is 5,000. 2. The value of its hundreds digit is 700. 3. Its tens digit is 2