thiaaleGDpku3m thiaaleGDpku3m

01-12-2016
Mathematics

contestada

solve |x + 7| = 12

a. {-19, -5}

b. {-5,19}

c. {-19,5}

d.{5,19}

Respuesta :

apologiabiology apologiabiology

01-12-2016

for
|a|=b
assume
a=b and a=-b

|x+7|=12

assume
x+7=12 and x+7=-12
minus 7 both sides
x=5 and x=-19

C is answer

Answer Link

wizard123 wizard123

01-12-2016

When solving absolute value equations, you must account for both the positive and negative cases.

x+7 = 12 AND x+7 = -12
x = 5 x = -19

Answer Link

Otras preguntas

Which expression is equal to 2x/x−2−x+5/x+3 ? A. x^2+11x−6/(x−2)(x+3) B. x^2+9x+6/(x−2)(x+3) C. 3x^2+11x+6/(x−2)(x+3) D. x^2+3x+10/(x−2)(x+3) I think is the cor

A line has a slope of 0 and passes through the point (-1,-6). What is it’s equation in slope intercept form?

A restaurant chain has used data mining to determine that its hot dogs are unpopular with diners. Therefore, it reduces its orders of hot dogs from its supplier

What are the different terms for the judges in each system?

Given f(x) = -2 ang g(x) = 4x - 8, find h(x) = f(x) + g(x)

Create ur own pillow book

Six-month-old I.R. awoke at 3 am crying and pullin on her left ear. There was dried, green, purulent drainage on her earlobe and on the sheet of her crib. Her t

A galvanic (voltaic) cell has the generic metals X and Y as electrodes. X is more reactive than Y , that is, X more readily reacts to form a cation than Y does.

What is the average penus size? LOL health question please help quick

what is world was 1 about