kgrupe01 kgrupe01
  • 21-01-2020
  • Mathematics
contestada

Identify the x- and y- intercepts for y=x^2-100

Respuesta :

jimrgrant1 jimrgrant1
  • 21-01-2020

Answer:

see explanation

Step-by-step explanation:

To find the y- intercept let x = 0

y = 0² - 100 = - 100 ⇒ (0, - 100) ← y- intercept

To find the x- intercepts let y = 0, that is

x² - 100 = 0 ( add 100 to both sides )

x² = 100 ( take the square root of both sides )

x = ± [tex]\sqrt{100}[/tex] = ± 10, thus

(- 10, 0 ), (10, 0 ) ← x- intercepts

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