subject
Mathematics, 07.10.2019 16:30 brialevy2283

Ineed with this(explain). what is the value of the expression 2x^2 + 3xy - 4y^2 when x=2 and y= -4

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?
Answers: 2
question
Mathematics, 21.06.2019 18:00
Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  
Answers: 2
question
Mathematics, 21.06.2019 21:40
The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?
Answers: 3
question
Mathematics, 21.06.2019 22:40
The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?
Answers: 1
You know the right answer?
Ineed with this(explain). what is the value of the expression 2x^2 + 3xy - 4y^2 when x=2 and y= -4...
Questions
question
Mathematics, 07.03.2020 05:11
Questions on the website: 13722363