Answer:
Use the formula for the distance between two points: d = √((x2 – x1)2 + (y2 – y12))
Step-by-step explanation:
d = √((5 – 0)2 + (2 – 0)2
d = √(25 + 4) = √(29) ≈ 5.385
Answer:
15
Step-by-step explanation:
a2+b2=c2
Answer:
Step-by-step explanation:
Take out the common factor from the first and second terms and again from the 3rd and fourth terms.
x^2(x + 2) - 9(x + 2)
Take out x + 2 from around the minus sign.
(x + 2)(x^2 - 9)
Factor x^2 - 9 which will come out to the difference of squares.
(x + 2)(x + 3)(x - 3)
This is how it factors.
You could also use synthetic division if you know how it works.
-2 || 1 2 -9 -18
-2 0 18
====================
1 0 -9 0
This gives you (x + 2)(x^3 - 9) just as before.