Brianna is graphing the function f (x) = x2 + 6x + 5. What x-intercepts should Brianna use to graph f (x) ?

-5 and - 1

-5 and 1

-1 and 5

1 and 5

Question

Aaron Donovan

Mathematics

9 January, 13:37

Brianna is graphing the function f (x) = x2 + 6x + 5. What x-intercepts should Brianna use to graph f (x) ?

-5 and - 1

-5 and 1

-1 and 5

1 and 5

+1

Answers (1)

Know the Answer?

Travis Hanson · Answer 1

The answer is

-5 and - 1

proof

for f (x) = x2 + 6x + 5, f (-5) = 25-30+5 = 0, x=-5, y=0

f (-1) = 1-6+5=6-6=0, x=-1, and y=0

the x-intercepts are - 5 and - 1

Brianna is graphing the function f (x) = x2 + 6x + 5. What x-intercepts should Brianna use to graph f (x) ?-5 and - 1-5 and 1-1 and 51 and 5

Brianna is graphing the function f (x) = x2 + 6x + 5. What x-intercepts should Brianna use to graph f (x) ?

-5 and - 1

-5 and 1

-1 and 5

1 and 5