SOLUTION: Solve 5x^2=10 and find the x intercepts of f(x) = 5x^2-10

Algebra ->  Equations -> SOLUTION: Solve 5x^2=10 and find the x intercepts of f(x) = 5x^2-10      Log On


   

Question 317602: Solve 5x^2=10 and find the x intercepts of f(x) = 5x^2-10
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 5x^2-10
5x^2-10=0
5x^210
x^2=10/5
x62=2
x=sqrt2
x=+-1.414
X intercept=(1.414,0) & (-1.414,0)
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+5x%5E2+-10%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 5x^2 -10).