gheedominique gheedominique
  • 04-08-2017
  • Mathematics
contestada

what is the value of -2 x^2 +4y if x = -2 and y =3

Respuesta :

kphung76127
kphung76127 kphung76127
  • 04-08-2017
Substitute the values
-2(-2)^2+4(3)
First evaluate the exponent.
-2(4)+4(3)
Then evaluate multiplication.
-8+4(3)
-8+12
Then add.
Final answer:4
Answer Link

Otras preguntas

How can spot support nation building
What is the main source of downward convection movement in the mantle? a. ridge-pull b. ridge-push c. slab-push d. slab-pull
What is the tube that carries air inside a lung?
What is the purpose of the introduction in an essay? A. To highlight the most important concepts B. To focus on current statistics C. To explain the main idea
Maria and Ming start at the same point and drive in opposite directions. Maria drives 48 mph and Ming drives 34 mph. How far apart will they be in 2 hours? A. 1
Felicia wrote, . . . I’ve dreamed since childhood of working on a ranch . . . where thoroughbreds were raised. Where should quotation marks be added? before the
Mirror Lake Elementary School has 168 students and chaperones going on the fifth grade class trip. Each bus can hold 54 people. What is the least number of buse
The invention and development of television was accomplished __________. mostly through the efforts of a single inventor through the work of many competing in
Multiply each pair of factors. Type the product in the space provided. (6 + 3i)(6 − 3i) = (4 − 5i)(4 + 5i) = (−3 + 8i)(−3 − 8i) =
Why did Greek culture spread so rapidly across the Mediterranean Sea and the Black Sea?