answersLogoWhite

0


Best Answer

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.

User Avatar

Wiki User

โˆ™ 2014-08-22 01:44:55
This answer is:
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
User Avatar
Study guides

Algebra

20 cards

A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

โžก๏ธ
See all cards
3.69
โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…
322 Reviews

Add your answer:

Earn +20 pts
Q: Always use the vertex and at least points to graph each quadratic equation?
Write your answer...
Submit
Related questions

What different information do you get from vertex form and quadratic equation in standard form?

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.


What is the equation for vertex form?

The vertex form for a quadratic equation is y=a(x-h)^2+k.


What is the maximum or minimum of a quadratic equation called?

The vertex.


Fill in the blank The of the vertex of a quadratic equation is determined by substituting the value of x from the axis of symmetry into the quadratic equation?

D


What is the formula for quadratic equation in vertex form?

y=2(x-3)+1


The number of solution a quadratic equation has?

A quadratic equation always has 2 solutions.In the instance of perfect squares, however, there will be just one number, which is a double root. Graphically, this is equivalent of the vertex of a parabola just barely touching the x-axis.


How do you find the x value of the vertex of a quadratic equation?

It depends on the level of your mathematical knowledge. One way is to differentiate the quadratic equation and find the value of x for which the derivative is 0. The advantage of this method is that it works for turning points of polynomials of all degrees. The disadvantage is that you need to know differentiation. For a quadratic, an alternative, and simpler way is to write the equation in the form: y = ax2 + bx + c Then the x value of the vertex is -b/2a


How would you use intercepts to find the vertex in a quadratic equation with two x intercepts?

The vertex must be half way between the two x intercepts


How do you find the vertex from a quadratic equation in standard form?

look for the interceptions add these and divide it by 2 (that's the x vertex) for the yvertex you just have to fill in the x(vertex) however you can also use the formula -(b/2a)


How does finding the vertex of a parabola help you when graphing a quadratic equation?

Finding the vertex of the parabola is important because it tells you where the bottom (or the top, for a parabola that 'opens' downward), and thus where you can begin graphing.


What is the definition of a Vertex form of a quadratic function?

it is a vertices's form of a function known as Quadratic


What reveals a translation of a parent quadratic function?

vertex


What is the vertex of the quadratic function?

It if the max or minimum value.


What is the vertex form of a quadratic equation?

The formula for the vertex form is: f(x) = a(x-h)^2 + k Where (h,k) is the vertex. The equation also tells us the direction of opening, which is the a value, in this case opens up because a is positive. It tells us the step pattern, which when a is equal to one is always 1,3,5. However, when the a value is a number other than one, you muct multiply the value by 1,3,5.


What is the average of the two roots of quadratic equation?

In a quadratic y = ax² + bx + c, the roots are where y = 0, and the parabola crosses the x-axis. The average of these two roots is the x coordinate of the vertex of the parabola.


How do you convert vertex form to quadratic form?

Do you have a specific vertex fraction? vertex = -b/2a wuadratic = ax^ + bx + c


Solution of deriving vertex from the quadratic function?

2 AND 9


What is the vertex of the quadratic equation y equals x squared minus x plus 72?

(1/2, 71 and 3/4)or(0.5, 71.75)


How do you do a 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.


How do you graph a quadratic equation?

A quadratic equation is an equation with the form: y=Ax2+Bx+C The most important point when graphing a parabola (the shape formed by a quadratic) is the vertex. The vertex is the maximum or minimum of the parabola. The x value of the vertex is equal to -B/(2A). Once you have the x value, just plug it back into the original equation to get the corresponding y value. The resulting ordered pair is the location of the vertex. A parabola will be concave up (pointed downward) if A is +. It will be concave down (pointed upward) if A is -. It is often helpful to find the zeroes of a function when graphing. This can be done by factoring or using the quadratic formula. For every n units away from the vertex on the x-axis, the corresponding y value goes up (or down) by n2*A. Parabolas are symetrical along the vertex, which means that if one point is n units from the vertex, the point -n units from the vertex has the same y value. As an example take the following quadratic: 2x2-8x+3 A=2, B=-8, and C=3 The x value of the vertex is -B/2A=-(-8)/(2*2)=2 By plugging 2 into the original equation we get that the vertex is at (2,-5) 3 units to the right (x=5) has a y value of -5+32*2=13. This means that 3 units to the left (x=-1) has the same y value (-1,13). If you need a clearer explanation, ask a math teacher.


What is the vertex of x2-10x plus 21?

First, check to see if the equation can be simplified into bracket form. In this case, it can be simplified to (-x + 3)(-x + 7). These brackets identify the zeroes of the quadratic equation; the vertex is always in the middle of the zeros. To find the zeros, set the brackets equal to zero, and now x = 3, 7. 3+7/2 = 10/2 = 5, so the vertex occurs at x = 5. y at x = 5 is -4, so the vertex is (5, -4).


What is the equation of vertex in parabola?

0,0


What is the vertex of the equation y equals 2x-1?

3


What is the vertex of the quadratic y -2x2 plus 4x-1?

It is (1, 1).


How do you graph a quadratic?

Pick at least six points (negative x values and some positive x values). You can also find its vertex (x=-b divided by 2a).