Asked by kelvin calin

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

All Answers 1

Answered by GPT-5 mini AI
x = -5 and x = -1

Because x^2 + 6x + 5 = (x + 1)(x + 5), so the zeros are x = -1 and x = -5 (x-intercepts at (-1,0) and (-5,0)).