jamorrishartp9ym2o
jamorrishartp9ym2o jamorrishartp9ym2o
  • 23-06-2018
  • Mathematics
contestada

Which point is an x-intercept of the quadratic function f(x) = (x – 4)(x + 2)? (–4, 0) (–2, 0) (0, 2) (4, –2)

Respuesta :

mkryukova19 mkryukova19
  • 23-06-2018
f(x) = (x – 4)(x + 2),
x-intercept means that f(x) = 0.

0 = (x-4)(x+2)
(x-4)=0, x= 4, point (4,0)
(x+2)=0, x = -2, point (-2,0)

This graph has 2 x-intercepts:  (4,0) and (-2,0).

From given answers we can choose only 
(-2,0).
Answer Link
red28g red28g
  • 26-02-2019

Answer:

The answer is (–2, 0)

I just took the quiz

Answer Link

Otras preguntas

Must initially determine what level of damage would occur to information if unauthorized disclosure of that information occurred
7x-10+2x=39+2x what is the answer
1A metre rule is used to measure a lengthWhich reading is shown to the nearest millimetre?A 0.7 mB0.76 mс0.761 mD0.7614 m​
Florida Earthquake History United States Geological Survey Although Florida is not usually considered to be a state subject to earthquakes, several minor shocks
how do personal values have Direct impact on how to maintain personal health and save living in a healthy environment​
Write the equation in standard form for the ellipse with center at the origin, vertex (-8, 0), and co-vertex (0,4).​
What scientist use the word cell for the first time in science
What are the Division Properties of Zero?
Identify the five steps in the treatment of alcoholism.
Definition: This is a type of protein found in the cell membrane, which regulates the coming and going of substances into or out of the cell.