30.4k views
3 votes
PLEASEEEEE HELLPPPP I NEEED!!!

PLEASEEEEE HELLPPPP I NEEED!!!-example-1
User Kouk
by
8.4k points

1 Answer

4 votes

Answer: ±1.4

Explanation:

f(x)=ax^2+c

The graph passes through (2,2) and (-2,2)

Vertex:(0,-2)

f(x)=ax^2-2

4a-2=2

4a=4

a=1

f(x)=x^2-2

if f(x)=0

x^2-2=0

x^2=2

x=±
√(2)=±1.414

x=±1.4

User Wouter Den Ouden
by
8.1k points

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