Lindsay882 Lindsay882

03-04-2018
Mathematics

contestada

Show all work. What are the zeros of the function?
f(x) = 2x^2 − 8x − 10

Respuesta :

03-04-2018

(2x² - 8x - 10) ÷ 2 = 0
x² - 4x - 5 = 0
x² + x - 5x - 5 = 0
x(x+1) - 5(x+1) = 0
(x+1)(x-5) = 0
x+1 = 0 or x-5 = 0
x = -1 or x= 5

S = {-1;5}

Answer Link

Otras preguntas

Which mineral mostly forms through chemical precipitation? A) Salt B) Silicon C) Aluminum D) Clay

Whats the difference between polaroid and normal pictures?

Mrs. Tiwari has two sons, one being exactly one year older than the other. Her age is equal to the sum of the squares of the ages of her sons. If 4 years hence

On Monday Mrs. Wise bought 3 lbs of apples at $4 per lb. On Tuesday, apples were on sale for 20% off so she bought another 5 lbs. What was the price of apples

what kinds of literary techniques does the play use? In The Crucible

What "great compromiser" proposed a series of measures referred to as the compromise of 1850?

What is the rate of change and initial value for the linear relation that includes the points shown in the table? x y 1 20 3 10 5 0 7 −10

The area of a rectangle is 56cm. The length is 2 cm more than the x and the width is 5cm less than twice x. round to the nearest whole number.

PLEASE, HELP ASAP!!!!!!!!!! THANKS, THANKS!!!!!!!!!!

How does the movement of particles of matter change when matter goes from solid to liquid? increases decreases increases then decreases does not change