Please Help: Solve for x x + 11 = 5x - 5

2 answers:

7 0

The final answer is x=4. you have to solve for x so you must get X alone. start by adding the 5 to both sides, making the equation x+16=5x. then, subtract x from both sides. 16=5x-x which becomes 16=4x. divide both sides by 4 to get x alone and you get x=4.

Brums [2.3K]3 years ago

6 0

the answer for this question is x=4

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a parabola has an x-intercept at 2, its axis of symmetry is the line x=4, and the y-coordinate of its vertex is 6. Determine the

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Answer:

The standard equation of the parabola is:

$y=-\frac{3}{2}x^2+12x-18$

Step-by-step explanation:

An x intercept of 2 means that the point (2, 0) is in the graph of the parabola.

We can also write the general expression for the parabola in vertex form, since we can use the information on the coordinates of the vertex: (4, 6) - recall that the axis of symmetry of the parabola goes through the parabola's vertex, so the x-value of the vertex must be x=4.

$y-y_{vertex}=a\,(x-x_{vertex})^2\\y-6=a\,(x-4)^2$