Yx2+2x 8

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Yx2+2x 8. What is the vertex form for the equation y=x^2-2x-8 Answer by ewatrrr() (Show Source):. 3.)y = x^2 -2x + 8 A. In this video I will find the roots and the y-intercept of y=x^2-2x-3.

Choose from different chart types, like:. You can put this solution on YOUR website!. Factor using the AC method.

• Wrote an expression for the number machine and then carried out the algebraic manipulations to show that the result was equal to the equation?. Y = (x^2) + 2x - 8. Next video can be.

Draw a gentle line in. Sketch the region and a. Then find the second derivative f''(x).

Find the vertex of y=-x^2-2x-8 using a graphing calculator - Duration:. We use cookies to give you the best possible experience on our website. 8.) Y=X^2 -12X +34.

Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. It is time to solve your math problem. Line and bar charts, pie charts, scatter graphs, XY graph and pie charts.

The expression x 2 + 2x - 8 can be expressed as a product of two factors. Our parabola opens up and accordingly has a lowest point (AKA absolute minimum). Remember, at the y-intercept the value of \(x\) is zero.

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. First, I'll find the zeroes:. To find the x-intercepts, set the equation equal to zero Solved by pluggable solver:.

The vertex form of a parabola, where(h,k) is the vertex. Free system of equations calculator - solve system of equations step-by-step. Tap for more steps.

X 2 + 2x – 8 = 0 (x + 4)(x – 2) = 0x = –4 or x = 2. Rewrite the equation as. Y=x^2-2x-8 Answer by jim_thompson5910(352) (Show Source):.

Y=(X+1)^2 - 7 Rewrite the equation in vertex form. D) Vertex is at (x,min(y)) Vertex is at (1,-9) 0 0. We know that the equation passes through this point.

Start with the given function. So the zeros of the function are x = -4 and x = 2. Y=(X-1)^2 - 7 4.) Y = -X^2 + 2X - 8 A.

Y=(X+1)^2 - 7 D. Name the vertex and y-intercept. Create online graphs and charts.

The axis of symmetry and the vertex of this quadratic function are calculated by hand. 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. Free functions vertex calculator - find function's vertex step-by-step.

The factors of -8 have a sum of 2 are -2 and 4. Start at your b value:. Y=(X+1)^2 + 7 B.

So vertex = (-1, -9) to get x intercepts put y = 0. 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. Graph of y=x^2-2x-8 is a parabola in U form.

How many of your students:. The question stated graphing, so draw some axes and plot some factors on it employing the equation y=x^2-2x-8. Find the x-intercept(s) and the coordinates of the vertex for the parabola y = x^2-2x-8.

Y=-(X+1)^2 + 7 B. 4 - (-2) = 6. Asked Mar 5, 14 in ALGEBRA 2 by angel12 Scholar.

Let f'(x) = 0 and find critical numbers;. We're told to find the x- and y-intercepts for the graph of this equation:. Y = a(x^2) + b(x) + c.

To find the x-intercept (s), substitute in for and solve for. 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 + (2/2)^2 - 8 - (2/2)^2.

Once again, I have some crazy relationship between x and y. Tap for more steps. The x-intercepts of the graph are -4 and 2.

Complete the square for. Y = x^2 + 2x - 8. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

Free factor calculator - Factor quadratic equations step-by-step. • 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.

Y = x^2 – 2x – 8 Answer by jim_thompson5910() (Show Source):. If there is more than one x-intercept, separate them with commas. For example, using the illustration above, you can see that for every 1 point the line rises up, it travels 4 to the right.

You can put this solution on YOUR website!. These x-intercepts split the number line into three intervals:. Please Login to Read Solution.

Solve x 2 + 2x – 8 < 0.;. 3.1 Find the Vertex of y = x 2-2x-8 Parabolas have a highest or a lowest point called the Vertex. Find the properties of the given parabola.

Differentiate the given function. The results are compared with the results obtained by using a graphing. In order to graph , we need to plot some points.

That is, y = x 2 + 2x - 8 -----> y = (x - 2)(x + 4). Find x- intercepts and y -x^2 +2x +8 - Answered by a verified Math Tutor or Teacher. Equivalent to the equation y = x2 –2x – 8.

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. (x^2+y^2=8) (xy=4) Stuck on this please help. We know this even before plotting "y" because the coefficient of the first term, 1 , is positive (greater than zero).

You can put this solution on YOUR website!. By calculation, the midpoint of 2 and -4 can be found by finding the distance:. Y = x^2 - 2x - 8 Asked In exam (5 years ago) Unsolved Is this Puzzle helpful?.

Starting with the general quadratic. -3x + 8y = 48. Use the method of cylindrical shells to find the volume generated by rotating the region bounded by the given curves about the -axis.

Let’s find the y-intercepts of the two parabolas shown in the figure below. Tap for more steps. Also if you set y=0 we get the same answer:.

Tap for more steps. Y=x^2+2x-8 (graph 300x0 pixels, x from -6 to 5, y from -10 to 10, y = 2x -8). #color(red)("The y-intercept "=c=+2 ->" point" (x,y)->(0,2.

Answer by lwsshak3() (Show Source):. (0) (0) Submit Your Solution. The solution is where the two y's are the same.

Free functions inverse calculator - find functions inverse step-by-step. #y=-x^2-3x+2# Compare to #y=ax^2+bx+c#. Math Calculators, Lessons and Formulas.

Tap for more steps. Please try again later. Solving Quadratic Equations by Factoring - 1 - Duration:.

Y=(X-1)^2 + 7 C. Tap for more steps. Let's use the quadratic formula to solve for x:.

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 :. Use the form , to find the values of , , and. So, to find the y-intercept, we substitute \(x=0\) into the equation.

Y=-(X-1)^2 - 7 A. This feature is not available right now. Find the domain in interval notation for f(x)=4square root x (the fourth root of X) Next Question:.

How do I Change y=x^2-2x-8 into factored form and then use the zero product property to find the x intercepts?. Hi what is the vertex form for the equation y=x^2-2x-8 Note:. Y(-1) = 1 - 2 - 8 = -9.

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. Vertex = (-2b/a, y(-2b/a) here a = 1 , b = 2-b/2a = -2/2 = -1. Y = a(x - h)^2 + k.

Consider the vertex form of a parabola. Now the vertex of the graph is the midpoint of the graph, which runs through the midpoint of the two points 2 and -4. To do that, we need to plug in some x values to get some y values So let's find the first point:.

Basically plug in values from x=-4 to x=+4 and make a factor at each and every y answer. You can put this solution on YOUR website!. As the #x^2# term in negative the general shape is #nn#.

What is the vertex form of the following equations?. Victoria Collins-Becker 1,329 views. And just as a bit of a refresher, the x-intercept is the point on the graph that intersects the x-axis.

Add up the first 2 terms, pulling out like factors :. Consider the form. 2 y plus 1/3x is equal to 12.

Rewrite the equation in vertex form. 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 C.

This solver can be used to solve polynomial equations. Start extending the line from b using slope, or rise over run. Read Solution (0) :.