If y = ½x + 1 , show by calculation that the graph crosses the x-axis at x= -2

Liorafar asked Apr 16, 2023

222,196 views

3 votes

Liorafar asked Apr 16, 2023

2.9k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

21 votes

Answer:

Yes, the graph crosses the x-axis at x = -2.

Step-/by-step explanation:

Substitute x = -2 in the equation.

$\sf y =(1)/(2)x + 1\\\\y =(1)/(2)*(-2)+1\\\\y = - 1 + 1\\\\y = 0$

At x-axis, the value of y = 0.

So, the graph crosses the x-axis.

3.4k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers