To find an absolute value equation from a graph, first identify the vertex of the graph, which represents the point where the absolute value function changes direction. Then, determine the slope of the lines on either side of the vertex to find the coefficients. The general form of the absolute value equation is ( y = a |x - h| + k ), where ((h, k)) is the vertex and (a) indicates the steepness and direction of the graph. Finally, use additional points on the graph to solve for (a) if needed.
If you are using a calculator just plug it in and hit graph. If you are doing it by hand, start with making a X-Y Table. Plug in X values into the equation to get a Y value out. Plot about 5 points on the graph to get a basic look at the parabola. To get the right the values, you want to start with the vertex and go out from there. To start, you need to find the axis of symmetry (-b/2a) [From the basic equation of ax squared +bx + c] That is the X Value for the vertex. Plug that in to find the Y Value for the vertex. The more points you find the more accurate the graph but normally 5 is enough (vertex and two on left and right)
To find the vertex of the quadratic equation ( y = 3x^2 - 12x - 5 ), we can use the vertex formula ( x = -\frac{b}{2a} ), where ( a = 3 ) and ( b = -12 ). Plugging in the values, we get ( x = -\frac{-12}{2 \cdot 3} = 2 ). To find the corresponding ( y )-coordinate, substitute ( x = 2 ) back into the equation: ( y = 3(2)^2 - 12(2) - 5 = -29 ). Thus, the coordinates of the vertex are ( (2, -29) ).
If the graph start and end with same vertex and no other vertex can be repeated then it is called trivial graph.
To find the vertex of a quadratic equation in standard form, (y = ax^2 + bx + c), you can use the vertex formula. The x-coordinate of the vertex is given by (x = -\frac{b}{2a}). Once you have the x-coordinate, substitute it back into the equation to find the corresponding y-coordinate. The vertex is then the point ((-\frac{b}{2a}, f(-\frac{b}{2a}))).
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You find the equation of a graph by finding an equation with a graph.
vertex
You should always use the vertex and at least two points to graph each quadratic equation. A good choice for two points are the intercepts of the quadratic equation.
There is no equation (nor inequality) in the question so there can be no graph - with or without an axis of symmetry.
If you are using a calculator just plug it in and hit graph. If you are doing it by hand, start with making a X-Y Table. Plug in X values into the equation to get a Y value out. Plot about 5 points on the graph to get a basic look at the parabola. To get the right the values, you want to start with the vertex and go out from there. To start, you need to find the axis of symmetry (-b/2a) [From the basic equation of ax squared +bx + c] That is the X Value for the vertex. Plug that in to find the Y Value for the vertex. The more points you find the more accurate the graph but normally 5 is enough (vertex and two on left and right)
y = - x2 +6x - 5.5
The graph of a quadratic function is always a parabola. If you put the equation (or function) into vertex form, you can read off the coordinates of the vertex, and you know the shape and orientation (up/down) of the parabola.
A parabola is a graph of a 2nd degree polynomial function. Two graph a parabola, you must factor the polynomial equation and solve for the roots and the vertex. If factoring doesn't work, use the quadratic equation.
To find the vertex of the quadratic equation ( y = 3x^2 - 12x - 5 ), we can use the vertex formula ( x = -\frac{b}{2a} ), where ( a = 3 ) and ( b = -12 ). Plugging in the values, we get ( x = -\frac{-12}{2 \cdot 3} = 2 ). To find the corresponding ( y )-coordinate, substitute ( x = 2 ) back into the equation: ( y = 3(2)^2 - 12(2) - 5 = -29 ). Thus, the coordinates of the vertex are ( (2, -29) ).
The vertex that does not have any weighting assigned to it in the graph is called an unweighted vertex.
y = 2x2 + 3x + 6 Since a > 0 (a = 2, b = 3, c = 6) the graph opens upward. The coordinates of the vertex are (-b/2a, f(-b/2a)) = (- 0.75, 4.875). The equation of the axis of symmetry is x = -0.75.