tiny52 tiny52
  • 10-05-2018
  • Mathematics
contestada

what is the value of the ecpression 2x^2+3xy-4y^2when x=2 and y=-4?

Respuesta :

megjp2000 megjp2000
  • 10-05-2018
The answer to this is -80
Answer Link

Otras preguntas

The angle measures of any four-sided figure sum to 360°. How can you find the fourth angle measure when you know the sum of the other three angles measures?
Why is waste disposal of nuclear materials a serious problem? Underground storage sites cannot be sufficiently protected. Nuclear waste remains active for
heather has to solve this system of equations using elimination. what should be her first step?a. isolate the x in the second equation so that she can substitut
The formula F=95(K−273.15)+32 converts a temperature from kelvin K to degrees Fahrenheit f. Solve the formula for K .
I need help! I forgot how to do this!! Please help!
In what century did organized athletics become a part of our nation’s schools?
In the DNA helix, which part of the nucleotide forms the sides of the ladder, the backbone? A. Pentose sugar and Nitrogen base B. Pentose sugar and Phosph
Two pipes are connected to a tank. when working together, the two pipes can fill the tank in 4 hours. the larger pipe, working alone, can fill the tank in 6 les
According to Lady Macbeth's plan, how will the king be killed? macbeth will stab the king with the dagger stolen from the king's guards after lady macbeth drugs
What is the preferred method of decontamination for countertops dental?