sunny3799
29.12.2019 •
Mathematics
Y=(x+5) (x+4) in vertex form of parabola
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Ответ:
Step-by-step explanation:
The vertex form of an equation of a parabola y = ax² + bx + c:
(h, k) - verex
We have:
use FOIL (a + b)(c + d) = ac + ad + bc + bd
a = 1, b = 9, c = 20
For k, put the value of h to the equation y = (x + 5)(x + 4):
Finally:
Ответ:
First # is 169
Second # is 171
There are no consecutive even numbers that add up to 340
Step-by-step explanation:
x + x + 2 = 340
2x + 2 = 340
2x = 338
x = 169