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

What do you already know about Billie Eilish and Lil Nas X?

(x+6)(x+3) = x(x+6)+3(x+6) What’s the proof here ?

Mary travelled y meters from point A to point B at an average speed of 4 m/s. She continued with her journey from point B to point Cat 3 m/s. At the end of the

What are the four bases found in RNA?

Question 12 Given that Zlis a complement of 22 and mZ2 = 17°, find mZ1?

Evaluate 8+3e when e=2

Write b^12 as a quotient form b^m/b^n in two different ways. Use only positive exponents.

2. * 2 points Which set of ordered pairs represents a function? 1) {(0,4),(2,4),(2,5)} 2) {(6,0),(5,0),(4,0)} 3) {(4,1),(6,2), (6,3),(5,0)} 4) {(0,4),(1,4),(0,5

Choose the answer below that has the HIGHEST chance of becoming a fossil. * O A jellyfish in the ocean. O A fern growing in a swamp. O Dinosaur tracks in snow.

The majority of Americans wanted Lincoln to be president? Answer key