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9 votes
9 votes
Find the x-intercepts of y= x^2+4x+8 using the quadratic formula.

User Sam Turtel Barker
by
3.0k points

1 Answer

8 votes
8 votes

Answer: To find the x-intercept, substitute in

0

for

y

and solve for

x

. To find the y-intercept, substitute in

0

for

x

and solve for

y

.

x-intercept(s):

(

2

+

2

3

,

0

)

,

(

2

2

3

,

0

)

y-intercept(s):

(

0

,

8

)

Step-by-step explanation: To find the x-intercept, substitute in

0

for

y

and solve for

x

. To find the y-intercept, substitute in

0

for

x

and solve for

y

.

x-intercept(s):

(

2

+

2

3

,

0

)

,

(

2

2

3

,

0

)

y-intercept(s):

(

0

,

8

)

User Edoardo
by
3.6k points