algebra1 HELP PLEASE
posted by lisa .
y = x2  7
what are the x intercepts

Let y = 0.
x^27 = 0
x^2 = 7
X = =+sqrt 7
Respond to this Question
Similar Questions

Algebra
Did I do this right? Find the vertex, the x intercepts and y intercepts. f(x)=(x2)^24 Vertex: 2,4 X intercepts: 0,0 4,0 Y intercepts: I didn't know how to get these. Could you explain? 
algebra
How do you find any xintercepts and yintercepts. If no xintercepts exist, state this. g(x)=2x^2+3x1 
Algebra I
Did I do these probelms correctly? Find the intercepts 1. y^2 = x^2  4x y^2 = x(x  4) Y intercepts y^2 = 0(0  4) (0,0) x intercepts 0 = x(x  4) 0 = x  4 4 = x (4,0) 2. y = (x (x + 3))/(3x + 1)^2 y intercetps y = (0(0 + 3))/(3(0) 
Math  xintercepts and yintercepts
Hi, can someone help me with intercepts. find the intercepts of f(x) = x^2  6x  2 can someone show how to work this problem. thanks. 
algebra
2x+5y=15 Find the x and yintercepts and graph the equation plotting the intercepts. Please show all of your work. 
Algebra2
a graph with the points (0,3) (2,4) (2,4) What would be the domain, range xintercepts yintercepts and funtional value.. Help Please? 
college algebraPlease help Reiny please
You helped me with this question and this is what I got but my Professor says that each x and y intercept needs to have a coordinate. Where did I go wrong? 
college algebra
Can someone please help me find the xintercepts and yintecepts of this equation. I have the radius, and center but I can't seem to get the intercepts. x^2+y^2=16x18y+145=25 Please show work. Thanks!! 
Math
If a graph of a quadratic function can have 0, 1 or 2 xintercepts. How can you predict the number of xintercepts without drawing the graph or (completely) solving the related equation? 
quadratic functions
The graph of a quadratic function can have 0, 1 or 2 xintercepts. How can you predict the number of xintercepts without drawing the graph or (completely) solving the related equation?