Question

4х в квадрате +3y при х=-2,y=-9

Answer 1

Ответ:

Пошаговое объяснение:

4х²+3y=4(-2)²+3(-9)=4*4-27=16-27=-11

Answer 2

To evaluate the expression 4x^2 + 3y when x = -2 and y = -9, follow these steps:

Step 1: Replace x with -2 and y with -9 in the expression. Step 2: Perform the calculations.

4(-2)^2 + 3(-9)

Step 3: Calculate the values inside parentheses and exponents first.

4(4) + 3(-9)

Step 4: Perform the multiplication.

16 - 27

Step 5: Perform the final subtraction.

-11

So, when x = -2 and y = -9, the value of the expression 4x^2 + 3y is -11.