loganswain45 loganswain45

23-05-2016
Mathematics

contestada

what are the zeros of the function f(x)=x^2-2x-15

Respuesta :

23-05-2016

Hello,

f(x)=x²-2x-15=x²-2x+1-16=(x-1)²-16
=(x-1-4)(x-1+4)=(x-5)(x+3)
Zeroes are x=5 or x=-3

Answer Link

Otras preguntas

Jack and Jill are going to see Abra ham and mirium by bus. They deci catch the bus from the bus park. ded to park rather than bus stop so that they can newly bu

How did history affect the literature of the Puritans?

defintion wane in self control

Susan ran a 400-m sprint at a track meet, and her final time was 65 s. She reported that her velocity in the race was 6.15 m/s. Susan’s statement was inaccurate

In one day, Annie traveled 4 times the sun of the number of hours been traveled and 2. Together they traveled 23 hours. How many hours did Brian travel

Apply The axes in the coordinate grid at the right represent the walls of a bedroom. One corner of the room is at the origin. What is the distance from that cor

The student in item 1 moves the box up a ramp inclined at 12° with the horizontal. If the box starts from rest at the bottom of the ramp and is pulled at an ang

who manages the company nike

Determine the values of k such that the system of linear equations does not have a unique solution. (Enter your answers as a comma-separated list.) x + y + kz =

Make a table of values for the following equation. Then graph the equation. y = |x| +3