Amholloway13
04.01.2020 •
Mathematics
which of the following is the graph of f(x) = x2 + 3x − 4?
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Ответ:
See Graph
Step-by-step explanation:
Find the Solution for
1x2+3x−4=0
using the Quadratic Formula where
a = 1, b = 3, and c = -4
x=−b±sqrtb^2−4ac/2a
x=−3±sqrt3^2−4(1)(−4/2(1)
x=−3±sqrt9−−16/2
x=−3±sqrt25/2
Simplify the Radical:
x=−3±sqrt5/2
We get x=22x=−82
which becomes
x=1
x=−4
Here is the graph:
Ответ: