Yx2+2x 8

3.1 Find the Vertex of y = x 2-2x-8 Parabolas have a highest or a lowest point called the Vertex.

Yx2+2x 8. This solver can be used to solve polynomial equations. Extend the line by taking your slope and using its values to get points on the equation. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.

So vertex = (-1, -9) to get x intercepts put y = 0. Y=-(X+1)^2 + 7 B. Next video can be.

Free system of equations calculator - solve system of equations step-by-step. How do I Change y=x^2-2x-8 into factored form and then use the zero product property to find the x intercepts?. Y=(X+1)^2 - 7 D.

The question stated graphing, so draw some axes and plot some factors on it employing the equation y=x^2-2x-8. X 2 + 2x – 8 = 0 (x + 4)(x – 2) = 0x = –4 or x = 2. Name the vertex and y-intercept.

That is, y = x 2 + 2x - 8 -----> y = (x - 2)(x + 4). Remember, at the y-intercept the value of \(x\) is zero. Find the X and Y Intercepts y=x^2-2x-8.

Then find the second derivative f''(x). Answer by lwsshak3() (Show Source):. Y = (x^2) + 2x + (2/2)^2 - 8 - (2/2)^2.

And just as a bit of a refresher, the x-intercept is the point on the graph that intersects the x-axis. Y = x^2 + 2x - 8. Tap for more steps.

Use the form , to find the values of , , and. Start at your b value:. And just to get a sense of what this might look like, if you plot all the x's and y's that satisfy this relationship, you get this nice little clover pattern.

We use cookies to give you the best possible experience on our website. Math Calculators, Lessons and Formulas. Find x- intercepts and y -x^2 +2x +8 - Answered by a verified Math Tutor or Teacher.

To find the x-intercept (s), substitute in for and solve for. You can put this solution on YOUR website!. When we graphed linear equations, we often used the x– and y-intercepts to help us graph the lines.Finding the coordinates of the intercepts will help us to graph parabolas, too.

Find the properties of the given parabola. Complete the square for. The results are compared with the results obtained by using a graphing.

D) Vertex is at (x,min(y)) Vertex is at (1,-9) 0 0. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Sketch the region and a.

3.)y = x^2 -2x + 8 A. You can put this solution on YOUR website!. (0) (0) Submit Your Solution.

How do I Change y=x^2-2x-8 into factored form and then use the zero product property to find the x intercepts?. The value of the function at a maximum point is called the maximum value of the function and the value of the function at a minimum point is called the minimum value of the function. Please Login to Read Solution.

Y = a(x^2) + b(x) + c. Tap for more steps. How many of your students:.

Tap for more steps. • How many tried to use substitution of values to show that both would give the. Solving Quadratic Equations by Factoring - 1 - Duration:.

4 - (-2) = 6. Find the vertex of y=-x^2-2x-8 using a graphing calculator - Duration:. So, to find the y-intercept, we substitute \(x=0\) into the equation.

X < –4, –4 < x < 2, and x > 2.Since this is a "less than" inequality, I need the intervals where the parabola is below the x-axis. Rewrite the equation as. Y= (X+1)^2 + 7 C.

Y = x^2 - 2x - 8 = (x + 2)(x - 4) So you solve for the graph, with the graph cutting the x-axis at the points -2 and 4. First, I'll find the zeroes:. Find the domain in interval notation for f(x)=4square root x (the fourth root of X) Next Question:.

Y=x^2+2x-8 (graph 300x0 pixels, x from -6 to 5, y from -10 to 10, y = 2x -8). This feature is not available right now. The vertex form of a parabola, where(h,k) is the vertex.

Y(-1) = 1 - 2 - 8 = -9. Y=(X+1)^2 - 7 Rewrite the equation in vertex form. The factors of -8 have a sum of 2 are -2 and 4.

In this video I will find the roots and the y-intercept of y=x^2-2x-3. Our parabola opens up and accordingly has a lowest point (AKA absolute minimum). Also if you set y=0 we get the same answer:.

Consider the form. 2 y plus 1/3x is equal to 12. Use the method of cylindrical shells to find the volume generated by rotating the region bounded by the given curves about the -axis.

The expression x 2 + 2x - 8 can be expressed as a product of two factors. Line and bar charts, pie charts, scatter graphs, XY graph and pie charts. Draw a gentle line in.

What is the vertex form of the following equations?. Solve x 2 + 2x – 8 < 0.;. You can put this solution on YOUR website!.

So write down the equations with the y = y x2 + 3x + 5 = x2 - 2x - 5 Subtract x2 from each side 2x + 5 = -2x - 5 Add 2x to each side 4x + 5 = -5 Subtract 5 from each side 5x = -10 Divide each side by 5 x = -2 Pug that value into the original equations, and see what you get for the y. Once again, I have some crazy relationship between x and y. For example, using the illustration above, you can see that for every 1 point the line rises up, it travels 4 to the right.

Victoria Collins-Becker 1,329 views. Y=x^2-2x-8 Answer by jim_thompson5910(352) (Show Source):. #color(red)("The y-intercept "=c=+2 ->" point" (x,y)->(0,2.

Y=-(X-1)^2 - 7 A. Apply those critical numbers in the second derivative. Choose from different chart types, like:.

The x-intercepts of the graph are -4 and 2. Equivalent to the equation y = x2 –2x – 8. 8.) Y=X^2 -12X +34.

So the zeros of the function are x = -4 and x = 2. Vertex = (-2b/a, y(-2b/a) here a = 1 , b = 2-b/2a = -2/2 = -1. It is time to solve your math problem.

We know this even before plotting "y" because the coefficient of the first term, 1 , is positive (greater than zero). According to the graph it is +4 for the x intercept. Free factor calculator - Factor quadratic equations step-by-step.

Y=(X+1)^2 + 7 B. Graph of y=x^2-2x-8 is a parabola in U form. Let’s find the y-intercepts of the two parabolas shown in the figure below.

As the #x^2# term in negative the general shape is #nn#. Y = (x^2) + 2x - 8. Free functions vertex calculator - find function's vertex step-by-step.

Y=(X-1)^2 + 7 C. We're told to find the x- and y-intercepts for the graph of this equation:. #y=-x^2-3x+2# Compare to #y=ax^2+bx+c#.

We know that the equation passes through this point. Please try again later. By calculation, the midpoint of 2 and -4 can be found by finding the distance:.

Free functions inverse calculator - find functions inverse step-by-step. Y = a(x - h)^2 + k. Now the vertex of the graph is the midpoint of the graph, which runs through the midpoint of the two points 2 and -4.

Tap for more steps. What is the vertex form for the equation y=x^2-2x-8 Answer by ewatrrr() (Show Source):. Read Solution (0) :.

You can put this solution on YOUR website!. These x-intercepts split the number line into three intervals:. Tap for more steps.

Starting with the general quadratic. (x^2+y^2=8) (xy=4) Stuck on this please help. • Wrote an expression for the number machine and then carried out the algebraic manipulations to show that the result was equal to the equation?.

The solution is where the two y's are the same. To do that, we need to plug in some x values to get some y values So let's find the first point:. Asked Mar 5, 14 in ALGEBRA 2 by angel12 Scholar.

Differentiate the given function. Y = x^2 - 2x - 8 Asked In exam (5 years ago) Unsolved Is this Puzzle helpful?. Start extending the line from b using slope, or rise over run.

Tap for more steps. To find the x-intercepts, set the equation equal to zero Solved by pluggable solver:. Y = x^2 – 2x – 8 Answer by jim_thompson5910() (Show Source):.

Let's use the quadratic formula to solve for x:. Y=(X-1)^2 - 7 4.) Y = -X^2 + 2X - 8 A. Add up the first 2 terms, pulling out like factors :.

Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Basically plug in values from x=-4 to x=+4 and make a factor at each and every y answer. Rewrite the equation in vertex form.

Let f'(x) = 0 and find critical numbers;. Find the x-intercept(s) and the coordinates of the vertex for the parabola y = x^2-2x-8. In order to graph , we need to plot some points.

Create online graphs and charts. Hi what is the vertex form for the equation y=x^2-2x-8 Note:. Consider the vertex form of a parabola.

If there is more than one x-intercept, separate them with commas. Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -10 and -2 x 2 - 10x - 2x - Step-4 :. Start with the given function.