Yx2+2x 8

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 :.

Yx2+2x 8. D) Vertex is at (x,min(y)) Vertex is at (1,-9) 0 0. Find the x-intercept(s) and the coordinates of the vertex for the parabola y = x^2-2x-8. Free functions inverse calculator - find functions inverse step-by-step.

Free functions vertex calculator - find function's vertex step-by-step. Start with the given function. Y = x^2 - 2x - 8 Asked In exam (5 years ago) Unsolved Is this Puzzle helpful?.

The factors of -8 have a sum of 2 are -2 and 4. Once again, I have some crazy relationship between x and y. Use the form , to find the values of , , and.

Victoria Collins-Becker 1,329 views. • Wrote an expression for the number machine and then carried out the algebraic manipulations to show that the result was equal to the equation?. First, I'll find the zeroes:.

Add up the first 2 terms, pulling out like factors :. Our parabola opens up and accordingly has a lowest point (AKA absolute minimum). Free factor calculator - Factor quadratic equations step-by-step.

Y = x^2 – 2x – 8 Answer by jim_thompson5910() (Show Source):. Answer by lwsshak3() (Show Source):. #color(red)("The y-intercept "=c=+2 ->" point" (x,y)->(0,2.

Free system of equations calculator - solve system of equations step-by-step. Use the method of cylindrical shells to find the volume generated by rotating the region bounded by the given curves about the -axis. 3.1 Find the Vertex of y = x 2-2x-8 Parabolas have a highest or a lowest point called the Vertex.

Tap for more steps. Y=-(X-1)^2 - 7 A. According to the graph it is +4 for the x intercept.

How do I Change y=x^2-2x-8 into factored form and then use the zero product property to find the x intercepts?. Now the vertex of the graph is the midpoint of the graph, which runs through the midpoint of the two points 2 and -4. We know that the equation passes through this point.

Find x- intercepts and y -x^2 +2x +8 - Answered by a verified Math Tutor or Teacher. Y=x^2+2x-8 (graph 300x0 pixels, x from -6 to 5, y from -10 to 10, y = 2x -8). Y= (X+1)^2 + 7 C.

Y=(X-1)^2 - 7 4.) Y = -X^2 + 2X - 8 A. So, to find the y-intercept, we substitute \(x=0\) into the equation. Tap for more steps.

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. Basically plug in values from x=-4 to x=+4 and make a factor at each and every y answer. The solution is where the two y's are the same.

Rewrite the equation as. Tap for more steps. 3.)y = x^2 -2x + 8 A.

Tap for more steps. The vertex form of a parabola, where(h,k) is the vertex. That is, y = x 2 + 2x - 8 -----> y = (x - 2)(x + 4).

Vertex = (-2b/a, y(-2b/a) here a = 1 , b = 2-b/2a = -2/2 = -1. 2 y plus 1/3x is equal to 12. Let’s find the y-intercepts of the two parabolas shown in the figure below.

Y=(X+1)^2 - 7 Rewrite the equation in vertex form. You can put this solution on YOUR website!. The x-intercepts of the graph are -4 and 2.

Tap for more steps. To find the x-intercept (s), substitute in for and solve for. The expression x 2 + 2x - 8 can be expressed as a product of two factors.

Y = a(x^2) + b(x) + c. So vertex = (-1, -9) to get x intercepts put y = 0. We use cookies to give you the best possible experience on our website.

In this video I will find the roots and the y-intercept of y=x^2-2x-3. 4 - (-2) = 6. Create online graphs and charts.

The results are compared with the results obtained by using a graphing. Equivalent to the equation y = x2 –2x – 8. Differentiate the given function.

Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Hi what is the vertex form for the equation y=x^2-2x-8 Note:. Y=-(X+1)^2 + 7 B.

Asked Mar 5, 14 in ALGEBRA 2 by angel12 Scholar. Please Login to Read Solution. Start at your b value:.

It is time to solve your math problem. So the zeros of the function are x = -4 and x = 2. Consider the form.

Y(-1) = 1 - 2 - 8 = -9. Please try again later. Y = x^2 + 2x - 8.

X 2 + 2x – 8 = 0 (x + 4)(x – 2) = 0x = –4 or x = 2. Choose from different chart types, like:. 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.

By calculation, the midpoint of 2 and -4 can be found by finding the distance:. Find the properties of the given parabola. 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.

You can put this solution on YOUR website!. Also if you set y=0 we get the same answer:. Read Solution (0) :.

Start extending the line from b using slope, or rise over run. How many of your students:. (x^2+y^2=8) (xy=4) Stuck on this please help.

For example, using the illustration above, you can see that for every 1 point the line rises up, it travels 4 to the right. Complete the square for. #y=-x^2-3x+2# Compare to #y=ax^2+bx+c#.

Starting with the general quadratic. Solving Quadratic Equations by Factoring - 1 - Duration:. 8.) Y=X^2 -12X +34.

Y = (x^2) + 2x + (2/2)^2 - 8 - (2/2)^2. Y=x^2-2x-8 Answer by jim_thompson5910(352) (Show Source):. These x-intercepts split the number line into three intervals:.

Then find the second derivative f''(x). As the #x^2# term in negative the general shape is #nn#. Y=(X+1)^2 + 7 B.

Rewrite the equation in vertex form. 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. 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.

(0) (0) Submit Your Solution. • How many tried to use substitution of values to show that both would give the. Extend the line by taking your slope and using its values to get points on the equation.

How do I Change y=x^2-2x-8 into factored form and then use the zero product property to find the x intercepts?. You can put this solution on YOUR website!. Apply those critical numbers in the second derivative.

Tap for more steps. Y = a(x - h)^2 + k. Let f'(x) = 0 and find critical numbers;.

Find the X and Y Intercepts y=x^2-2x-8. To do that, we need to plug in some x values to get some y values So let's find the first point:. Find the domain in interval notation for f(x)=4square root x (the fourth root of X) Next Question:.

What is the vertex form of the following equations?. Next video can be. If there is more than one x-intercept, separate them with commas.

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. Line and bar charts, pie charts, scatter graphs, XY graph and pie charts. You can put this solution on YOUR website!.

The question stated graphing, so draw some axes and plot some factors on it employing the equation y=x^2-2x-8. Graph of y=x^2-2x-8 is a parabola in U form. We're told to find the x- and y-intercepts for the graph of this equation:.

We know this even before plotting "y" because the coefficient of the first term, 1 , is positive (greater than zero). 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.

This feature is not available right now. In order to graph , we need to plot some points. Y=(X-1)^2 + 7 C.

Y=(X+1)^2 - 7 D. Y = (x^2) + 2x - 8. Consider the vertex form of a parabola.

What is the vertex form for the equation y=x^2-2x-8 Answer by ewatrrr() (Show Source):. Math Calculators, Lessons and Formulas. And just as a bit of a refresher, the x-intercept is the point on the graph that intersects the x-axis.

Solve x 2 + 2x – 8 < 0.;. Name the vertex and y-intercept. The axis of symmetry and the vertex of this quadratic function are calculated by hand.

Let's use the quadratic formula to solve for x:. -3x + 8y = 48. Remember, at the y-intercept the value of \(x\) is zero.

This solver can be used to solve polynomial equations. Find the vertex of y=-x^2-2x-8 using a graphing calculator - Duration:. Factor using the AC method.