A community for students.
Here's the question you clicked on:
 0 viewing
Albert0898
 one year ago
Need help with understanding these problems and the right approach.
Question 1. If (p)(q^3)(t^4) > 0, which of the following products must be positive?
(F) pq
(G) pt
(H) qt
(J) pqt
(K) (p)(q^2)
Question 2. For real numbers x and y, when is the equation 2x + 3y = 2x  3y true?
A) Never
B) Always
C) Only when 2x = 3y
D) Only when x = 0 and y = 0
E) Only when x = 0 or y = 0
Question 3. For all real numbers x and y such that the product of y and 4 is x, which of the following expressions represents the sum of y and 4 in terms of x?
A) x + 4
B) 4x + 4
C) 4(x+4)
D) (x+4)/4
E) (x+16)/4
Albert0898
 one year ago
Need help with understanding these problems and the right approach. Question 1. If (p)(q^3)(t^4) > 0, which of the following products must be positive? (F) pq (G) pt (H) qt (J) pqt (K) (p)(q^2) Question 2. For real numbers x and y, when is the equation 2x + 3y = 2x  3y true? A) Never B) Always C) Only when 2x = 3y D) Only when x = 0 and y = 0 E) Only when x = 0 or y = 0 Question 3. For all real numbers x and y such that the product of y and 4 is x, which of the following expressions represents the sum of y and 4 in terms of x? A) x + 4 B) 4x + 4 C) 4(x+4) D) (x+4)/4 E) (x+16)/4

This Question is Closed

triciaal
 one year ago
Best ResponseYou've already chosen the best response.0question 1 one approach consider the situation when the values are positive and when negative t^4 will always be positive t can be positive or negative when q is negative q^3 is negative p can be positive or negative

triciaal
 one year ago
Best ResponseYou've already chosen the best response.0dw:1441639338874:dw
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.