Please show me how to find the x intercept of Y=x^2-16x
M Mdny New member Joined Jul 1, 2016 Messages 3 Jul 1, 2016 #1 Please show me how to find the x intercept of Y=x^2-16x
D Deleted member 4993 Guest Jul 1, 2016 #2 Mdny said: Please show me how to find the x intercept of Y=x^2-16x Click to expand... Do you know the definition of x-intercept? If you do please - tell us.
Mdny said: Please show me how to find the x intercept of Y=x^2-16x Click to expand... Do you know the definition of x-intercept? If you do please - tell us.
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,582 Jul 1, 2016 #3 Mdny said: Please show me how to find the x intercept of Y=x^2-16x Click to expand... 1. For which variable should you be substituting the value "zero"? (here) 2. When you plug zero in for this variable, what equation is the result? 3. What do you get when you factor the right-hand side of this equation? (here) 4. What do you get when you solve the factors? (here) 5. So what are the x-intercepts? 6. When you graph the equation, do you get the same x-intercepts? (here) (This is a useful way of checking your numerical answer.) If you get stuck, please reply with a clear listing of your thoughts and efforts so far, starting with your answers to my questions above. Thank you!
Mdny said: Please show me how to find the x intercept of Y=x^2-16x Click to expand... 1. For which variable should you be substituting the value "zero"? (here) 2. When you plug zero in for this variable, what equation is the result? 3. What do you get when you factor the right-hand side of this equation? (here) 4. What do you get when you solve the factors? (here) 5. So what are the x-intercepts? 6. When you graph the equation, do you get the same x-intercepts? (here) (This is a useful way of checking your numerical answer.) If you get stuck, please reply with a clear listing of your thoughts and efforts so far, starting with your answers to my questions above. Thank you!