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if it's in the form of ax + bx +c , then to graph it you need to find the roots (intercept ) and its vertex and the y-intercept. to find the roots, you factor it, like this:
for example, you have this, x + 8x + 15, you factor to this: ( x + 3 ) ( x + 5).
those two numbers ( +3 and +5) , you switch the signs so that they are -3 and -5.
those are the roots. To find the y-intercept, in the expression, you make the x equal zero, and whatever number you simplify it to is the y-intercept. to find the vertex, you apply the formula x=-b/ 2a. whatever number you end up with is the x coordinate of the vertex. to find the y coordinate, you simply substitute the x value in the expression and simplify it and whatever you end up with is the y coordinate. you plot that coordinate, which is the vertex. it has to be curved. make it touch the y axis at the y intercept and the x axis at the roots. That's it.
What else can I help you with?
What do all graphs of quadratic functions have in common?
The graph of a quadratic equation is a parabola.
The graph of a quadratic equation is called a?
The graph of a quadratic equation is called a parabola.The graph of a quadratic equation is called a parabola.The graph of a quadratic equation is called a parabola.The graph of a quadratic equation is called a parabola.
What shape does the quadratic graph make?
The graph of a quadratic equation has the shape of a parabola.
What does it mean when the graph of a quadratic function crosses the x axis twice?
When the graph of a quadratic crosses the x-axis twice it means that the quadratic has two real roots. If the graph touches the x-axis at one point the quadratic has 1 repeated root. If the graph does not touch nor cross the x-axis, then the quadratic has no real roots, but it does have 2 complex roots.
The graph of a quadratic function?
Yes. And the question is ...
How do you graph a quadratic functions?
Calculator
What do all graphs of quadratic functions have in common?
The graph of a quadratic equation is a parabola.
Is it true that some quadratic functions cannot be graphed?
All quadratic functions with real coefficients can be graphed on a standard x-y graph. Not all quadratic functions have real roots, maybe that's what you were thinking of?
The graph of a quadratic equation is called a?
The graph of a quadratic equation is called a parabola.The graph of a quadratic equation is called a parabola.The graph of a quadratic equation is called a parabola.The graph of a quadratic equation is called a parabola.
The graph of a quadratic relation is a?
The graph of a quadratic relation is a parobolic.
What is the graph for quadratic equation?
the graph for a quadratic equation ct5r
What shape does the quadratic graph make?
The graph of a quadratic equation has the shape of a parabola.
What is a parabola the graph of?
It is the graph of a quadratic equation of the formy = ax^2 + bx + c
What do you call the graph of a quadratic function?
the graph of a quadratic function is a parabola. hope this helps xP
Do all quadratic functions have x intercepts?
No, sometimes the entire graph is completely above (or completely below) the x axis.
Which of the functions below could have created this graph?
To accurately identify which function could have created the graph, I would need to see the specific graph in question. However, common functions that often produce recognizable graphs include linear functions (straight lines), quadratic functions (parabolas), exponential functions (curved growth), and trigonometric functions (sine, cosine waves). If you provide details about the graph's shape or key features, I can help narrow down the possible functions.
What does it mean when the graph of a quadratic function crosses the x axis twice?
When the graph of a quadratic crosses the x-axis twice it means that the quadratic has two real roots. If the graph touches the x-axis at one point the quadratic has 1 repeated root. If the graph does not touch nor cross the x-axis, then the quadratic has no real roots, but it does have 2 complex roots.
