How do you graph y=x^2 + 1?

1 Answer
Tony B
Feb 29, 2016

You asked "how" do you graph: I have given a full explanation as to the method.

Explanation:

color(blue)("Some observations")

The x^2 is positive so the general graph shape is uu

Consider the generalised form of y=ax^2+bx+c

The bx part of the equation shifts the graph left or right. You do not have any bx type of value in your equation. So the graph is central about the y-axis.

The c part of the equation is of value +1 so it lifts the vertex up from y=0 to y=1
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color(blue)("How to graph this equation")

color(blue)("Step 1")

color(brown)("Draw up a table of values that can be used to construct the graph")

Tony B

color(blue)("Step 2")
Draw your y-axis as a vertical line and your x-axis as a horizontal line.

Mark the relevant points for the x and y values. Draw freehand as best as you can a smooth curve that passes through those points

Tony B

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