348,140 views
41 votes
41 votes
Y = (x + 4)(x - 1) what is the x intercept

User Chrisarton
by
3.0k points

2 Answers

21 votes
21 votes
y=(x+4)(x-1)

x intercept the y coordinate is 0

0=(x+4)(x-1)

Since brackets are multiplying and =0 one bracket needs to add up to 0
either x+4=0 or x-1=0

x+4=0
x=-4

x-1=0
x=1

So coordinates are
(-4,0). AND (1,0)
User Amsiddh
by
2.8k points
17 votes
17 votes

(−4,0), (1,0)

There hope this helped

User Breandan
by
2.6k points
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