On these questions for 5 stars and 1. suppose the equation of the axis of symmetry for a quadratic function is x = -3 and one of the x-intercepts is -8. what is the other x-intercept? 2. if the equation of the axis of symmetry of a quadratic function is x = 0, and one of the x-intercept is -4, what is the other x-intercept?

answer: 230 miles ( vote ! )

step-by-step explanation:

180.39 minus 17.99 equals 162.4

then divide 162.4 by .80 to get 230

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204