jadehralston jadehralston

04-02-2021
Mathematics

contestada

PLS NEEP HELP ASAP

Convert the function f(x) = x^2 + 2x-8 to standard form. Then state the vertex and domain and range of the function.

Respuesta :

clarch19 clarch19

04-02-2021

Answer:

f(x) = (x + 1)² - 9

vertex: (-1, -9)

domain: all real numbers

range: y ≥ -9

Step-by-step explanation:

y = x² + 2x - 8

convert by 'completing the square' method

x² + 2x + 1 = 8 + 1

(x + 1)² = 9

f(x) = (x + 1)² - 9

Answer Link

Otras preguntas

Help please!! Thank you

Find the distance between (4.9) and (5, 12)

The BROWN v BOARD OF EDUCATION OF TOPEKA decision meant that a. school board members had to be elected by voters in their community. b. separate

In common speech, some people may use the terms hypothesis and theory interchangeably. In science, however, the terms have different meanings. What do you think

A perpetuity provides for continuous payments. The annual rate of payment at time t is { 1, 0 <= t <10 (1.03)^t-10, t >=10

Find the coordinates for the equation. {y=-x^2+5 {-x+y=3

rewrite these sentences in indirect speech: a: 'I go out with friends every Friday'. b 'I love reading comic boos'. c 'I am Spider-man and I will help you. d I'

PLEASE help me solve this question! No nonsense answers please!

11. The mass (in grams) of FeSO4.7H2O required for preparation of 125 mL of 0.90 M solution is: (a) 16 g (b) 25 g (c) 13 g (d) 31 g (e) 43 g

For each ordered pair, determine whether it is a solution to y=-9. Is it a solution? Yes or No (1, -9) (7,3) (-9,4) (0, -9)