
Home > A2C > Chapter 4 > Lesson 4.2.4 > Problem 4-121
4-121.
For each equation below, find the
y-intercept:
You will need to factor. There is only one x-intercept.
x-intercept:
Since there is only one x-intercept, the vertex must be at the x-intercept. To find the equation in graphing form, use the equation
. y-intercept:
x-intercept:
vertex:
Start by finding the x- and y-intercepts.
To find the x-coordinate of the vertex, average the x-intercepts.
To find the y-coordinate of the vertex, substitute the x-coordinate of the vertex into the given equation and solve for y.
Now write the equation in graphing form.