abschmoker
abschmoker abschmoker
  • 01-03-2018
  • Mathematics
contestada

MARKING BRANLIEST!! PLEASE HELP!!! what are the x-intercepts of the quadratic function y=x^2-3x+2
A:2 and 1
b:-2and 1
c:2 and -1
d: 1

Respuesta :

mathmate
mathmate mathmate
  • 01-03-2018
X-intercepts are points where the graph intersects the x-axis, i.e. when y=0.

Substitute y=0 and solve for x:
y=x^2-3x+2
0=x^2-3x+2
0=(x-2)(x-1)

By the zero product property, we deduce x-2=0 or x-1=0, i.e. x=1 or x=2.
Answer Link

Otras preguntas

2x+4y=12 y=0.25x-3 What is the solution to the system of equations? (–1, 8) (8, –1) (5,1/2) 0r (1/2,5)
what was the impact of the raids of migratory people, such as the Vikings, Magyars, Muslims, etc ?
Ray invested in two different savings bonds. Did he diversify?
like a car, a relationship needs what?
if the distance between the two objects is tripled how does this affect the overall strength of the electric force between them
What is an example of the strong nuclear force?
Children whose parents don't like their actions might be _____ with them?
Luis colors 1/4 of a spinner using a red crayon. write the fraction of the spinner Luis colored red in twelfths.
0.5 grams of sodium chloride is dissolved to make 0.05 liters of solution. How do I solve this?
In order to oversee airport security, the government created