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What is the y-intercept of the graph of y= -4x^2+8x-3? -3 2 1 -4

What is the y-intercept of the graph of y= -4x^2+8x-3? -3 2 1 -4
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4 votes
What is the y-intercept of the graph of y= -4x^2+8x-3?
-3
2
1
-4

User Mintz
by
7.8k points

1 Answer

6 votes
Hello,

-4x²+8x-3=0
==>4x²-8x+3=0
Δ=8²-4*3*4=64-48=16
==>(x=(8-4)/2=2) or (x=(8+4)/2=6)

Answer B: 2
User Aaberg
by
8.9k points
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