True or False 2 is a root of x^6-9x^4+24x^2-16=0 two times
1 answer:
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Answer:
see attached for diagram
a) √13
b) √29
c) 4
Step-by-step explanation:
Equation of the circle:
⇒ center = (-1, 3)
⇒ radius = √16 = 4
Distance between 2 points formula:
a) let (-1, 3) =
let (2, 1) =
b) let (-1, 3) =
let (4, 1) =
c) let (-1, 3) =
let (3, 3) =
Answer:
B
Step-by-step explanation:
x² + 9x
to complete the square
add ( half the coefficient of the x- term )² to x² + 9x
= x² + 2( )x + (
)²
= x² + 9x + ← the value of c
= (x + )² ← a perfect square