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

Write an expression to describe the sequence below. Use n to represent the position of a term in the sequence, where n = 1 for the first term.–77, –76, –75, –74

Hey, How are you what you doing

1.08 to the 3rd power?

This acceleration function represents the acceleration of a subatomic particle: a(t) = 6t² - 8t The particle has an initial velocity of 1 m/s. What is the veloc

1.07 x 104 -3.38 × 10³

A sentence that asks a question ends with a period. True False

The sum of 2.236 and 7.555.. must be : A) Rational B) Irrational C) An integer D) A whole number

From earth why dose the sun look so much larger than other stars ? Is the sun actually larger than the stars outside our solar system ? Explain your ideals belo

Which of the following best describes renewable energy? A. Natural mineral source of energy B. Sources that can be mined or drilled, and will last for a finite

why does bread dough is needed to be left for hours or a day before baking?