requestbook
SELECT PAGE NO. SELECT PROBLEM NO. FOR THE PAGE
70

Step-by-step Answer
PAGE: 268SET: ExercisesPROBLEM: 70
Please look in your text book for this problem Statement

If when , find when .

Find the constant of variation of the equation

The statement varies directly as , means that when increases,  increases by the same factor.

Hence and always have the same ratio.

The constant of variation of the equation and the slope of the line have the same value.

                (Direct variation formula)

Find .

            (Substitute and )

                  (Simplify)

Therefore, the equation is .

Find when .

               (Direct variation of the equation)

        (Substitute )

             (Multiply)

Therefore, the value of is .

The value of at is .



TESTIMONIALS

"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!"

June Barnett

"Your site is amazing! It helped me get through Algebra."

Charles

"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful."

Dan Pease

QUESTIONS? LET US HELP.
Simply chose a support option

My status

JOIN US ON:     
mathskey.com is not affiliated with any Publisher, Book cover, Title, Author names appear for reference only