zroberto44 zroberto44

03-05-2017
Mathematics

contestada

Solve the equation. Identify any extraneous solutions

Solve the equation Identify any extraneous solutions class=

Respuesta :

altavistard altavistard

07-05-2017

Squaring both sides of the given equation: w^2=7w, or w^2-7w=0.

w^2-7w=0 can be factored: w(w-7)=0. Then, w=7 or w=0. Both 0 and 7 are solutions of this equation.

Answer Link

Otras preguntas

Can you write a ratio for one number in more than one way ?

Solve by factoring of finding square roots. 16x^2=56x

Which of the following has a slope of -3 and a y intercept of -5 1. y = –3x + 5 2. y = –3x – 5 3.y = 3x + 5 4.y = 3x – 5

Which type of correlation would you expect to see between the amount of time it takes to finish a test and the grade on the test? A. positive correlation B.

Sue got 48 out of 60 questions right on a quiz. What percent score did she get?

y varies directly as x,and y =4.5 and x=0.5. A)write an equation that relates x and y. B)Find y when x =1.2. C)Find x when y=7.2

the ability of whirligig beetles to gradually release a foul-tasting substance most likely results from

Sandra has a family history of osteoporosis. Her doctor advises her to eat foods rich in calcium. Which foods should she add to her diet?

Ariel travels 400 miles in 8 hours. What is her rate of change or rate? A) 40 miles per hour B) 50 miles per hour C) 55 miles per hour D) 60 miles per hour

How did new technology change warfare during ww1