substitute the values of x and y into the expression -3x 2 + 2y 2 + 5xy - 2y + 5x 2 - 3y 2. match that value to one of the numbers.

1. x = 2, y = -1
0.44
2. x = 0, y = 2.5
14
3. x = -1, y = -3
1.665
4. x = 0.5, y =
-1
5. x = , y =
9.17
6. x = √2, y = √2
-11.25

answer:

b   bb b   b b b b   b b b b b bb   b b bbb b   b bb bb b   b b b bb   b b b b bb   b b b b b b b bb b bb   bb   bb b b

step-by-step explanation:

b   b b b b b b b b bb bb   b bb   b b bb   b b b b bb   b b b b bb bb   b b bb

answer: 2

step-by-step explanation:

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.