The figure above shows the graph of the line with equation (1) ax - by = - 1 and

Question

The figure above shows the graph of the line with equation (1) ax - by = - 1 and (2) ax + by = 1. Which of the following is true for each equation?     Select answer for ax - by = -1 from  (A) a > 0 and b < 0 (B) a>0 and b > 0 (C) a < 0 and b < 0 (D) a < 0 and b > 0 (E) a = 0 and b > 0    

Select answer for ax + by = 1 from (A) a < 0 and b < 0   (B) a > 0 and b > 0 (C) a < 0 and b < 0 (D) a < 0 and b > 0 (E) a = 0 and b > 0 ............................................ why are the answers: B for each question

Explanation / Answer

(1) If you plot the graph for various values of a and b given in the answers For the first equation ax - by = - 1 it is observed that the given graph math wit the values a > 0 and b < 0, a < 0 and b > 0

Therefore the answer for question (1) is A and D

Similary for the question (2) Except the options D and E remaining all are the answers i.e., A, B and C for question (2)

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.