Question

8. Match the expression in column A to the sum in column B.
(i) 3x2 + 5x – 4 + 6x2 - x +7
(A) 5y2 – 10y + 1
(ii) 2y2 – 3y + 6 + y2 – 5y - 1+(-4) + 2y2 – 2y
(B) 2x2 – 8xy + 6y?
(iii) 2x²y – Zxy2 + xy - 4x²y – 2xy2
(C) 9x2 + 4x + 3
(iv) x2 - y2 + 2x2 – 3xy + 4y2 + 3y2 – 5xy – x2 (D) -xły – 5.xy?
If P = 2y2 – 5 – 2y, Q = y2 – 3y +6 and R = y2 - 4y + 2, find P+2Q +2R.
Find the perimeter of the given triangle.​

Answer 1

Answer:

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