Question 828353: find the axis of symmetry,vertex,y-intercept,and then graph y=2x^2-4x-1
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! ---
y = 2x^2 - 4x - 1
---
the above quadratic equation is in standard form, with a=2, b=-4, and c=-1
---
to solve the quadratic equation, by using the quadratic formula, copy and paste this:
2 -4 -1
into this solver: https://sooeet.com/math/quadratic-equation-solver.php
---
the axis of symmetry is: x = 1
---
the quadratic vertex is a minimum at: ( 1, -3 )
---
the y-intercept is: ( 0, -1 )
---
graph:
---
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
|
|
|
