nitroflame nitroflame

18-07-2016
Mathematics

contestada

Find the x-intercepts of the parabola with vertex (1, -9) and y intercept at (0, -6).

Respuesta :

19-07-2016

Hello,

y=k(x-1)²-9
and -6=k*1-9==>k=3

y=3(x-1)²-9

y=0==>3(x-1)²=9==>(x-1)²=3
==>x=1+√3 or x=1-√3

x-intercepts are (1+√3,0) (1-√3,0)

Answer Link

Otras preguntas

Are the defendants liable for copyright infringement?" A. No B. Yes

Some people think that all teenagers should be required to do unpaid work in their free time to help the local community. They believe this would benefit both t

Choose one brainstorming tool you've learned (e.g., six thinking hats) and develop an idea for raising funds for poor children in highland areas.

Two similar refrigerators contain 20 kg and 35 kg of food items. If the height of the larger refrigerator is 1.5 metres, calculate the height of the smaller one

Fill in the blank to complete the trigonometric identity. sin2(u) + cos2(u) =

Glucose sugar molecules go directly to the mitochondria. a) True b) False

Which of the following is not a direct function of electrolytes? 1) Osmotic Control 2) Electrical Transmission 3) Temperature Adjustment 4) pH Regulation

Change requests could be an output of the Monitor Risks process? 1) True 2) False

From an employment tax perspective, a business owner who actively participates in a business will likely prefer that the entity be taxed under: 1) C Corporation

In the context of discrimination against minorities in the United States, identify the true statements about residential segregation. Multiple select question.