subject
Mathematics, 18.04.2020 03:07 joyceandtrey2781

Can the expression
-4x(-x - 3) ever be negative? Choose the best explanation

A) Yes, because 4x + 12 is negative it x < -3
B) No, because 4x^2 and 12x are both positive
C) Yes, because 4x^2 + 12x is negative when x is between -3 and 0
D) No, because both factors are negative, so the product must be positive

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.
Answers: 1
question
Mathematics, 21.06.2019 17:20
Which functions shave a maximum and are transformed to the left and down of the parent function ,check all that apply f(x) = x2? p(x) =14 (x+7)2 + 1
Answers: 3
question
Mathematics, 21.06.2019 21:30
In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
Answers: 1
question
Mathematics, 21.06.2019 22:00
Two numbers have a sum of -19. one number is x. what expression represents the other number?
Answers: 2
You know the right answer?
Can the expression
-4x(-x - 3) ever be negative? Choose the best explanation

A) Y...
Questions
question
Mathematics, 23.09.2019 18:50
question
Mathematics, 23.09.2019 18:50
Questions on the website: 13722367