What is the value of xy + 3y – 9 when x = 1, y = 2 is …………�

1.	What is the value of xy + 3y – 9 when x = 1, y = 2 is ……………. A) 1B) -1C) 0D) 12
Answer» Correct option is B) -1 We have x = 1, y = 2 \(\therefore\) xy + 3y - 9 = 1 x 2 + 3 x 2 - 9 = 2 + 6 - 9 = 8 - 9 = -1

What is the value of xy + 3y – 9 when x = 1, y = 2 is ……………. A) 1B) -1C) 0D) 12

Answer»

Correct option is B) -1

We have x = 1, y = 2

\(\therefore\) xy + 3y - 9 = 1 x 2 + 3 x 2 - 9

= 2 + 6 - 9

= 8 - 9 = -1