emmanuelknight64 emmanuelknight64
  • 04-04-2022
  • Mathematics
contestada

how many roots does y=x2-6x+9 have

Respuesta :

xenia168
xenia168 xenia168
  • 04-04-2022

Answer:

One root ; x = 3

Step-by-step explanation:

( a ± b )² = a² ± 2ab + b²

~~~~~~~~~

y = x² - 6x + 9

x² - 6x + 9 = x² - 2(x)(3) + 3² = ( x - 3 )²

( x - 3 )² = 0 ⇒ x - 3 = 0 ⇒ x = 3

Ver imagen xenia168
Answer Link

Otras preguntas

Describe two of the three column styles found in ancient Greek architecture. 2. What were Ushabti? What purpose did they have? 3. Describe the typical way of
How to simplify the fractions
Malls are shoppers paradise do you agree?
the underlined sections of the texts are examples ofA: main ideasB: themesC: summarizing statementsD: supporting details​
Moderate temperatures and precipitation, as well as nutrient-rich soil due to annual leaf fall, characterize this biome. a) temperate grassland b) taiga c) deci
What is the surface area of the right prism?
what’s the correct molecular compound name for H2O2? pls help i have 5 mins
Which is the site of the light dependent reaction‘s of photosynthesis
The matured ovary of a plant is a pistil flower fruit seed
A client is admitted to the hospital for chemotherapy complications. Laboratory results show an absolute neutrophil count of 450 cells/mm3 (0.45 ×109/L). What i