Question 1
The coefficient of xy in 3x 2 zy + 7xyz – 2z 2 x is
Correct Answer:
7z
Explanation:
Correct answer: 7z
Question 2
The factors of the term – xy 2 are
Correct Answer:
– 1 × x × y × y
Explanation:
Correct answer: – 1 × x × y × y
Question 3
Simplify the expression 7x 3 – 3x 2 y + xy 2 + x 2 y – y 3
Correct Answer:
7x^3– 2x^2y + xy^2 – y^3
Explanation:
Correct answer: 7x^3– 2x^2y + xy^2 – y^3
Question 4
Find the value of the following expressions at a = 1 and b = –2: a 3 + a 2 b + ab 2 + b 3
Correct Answer:
-5
Explanation:
Correct answer: -5
Question 5
Find each side of an equilateral triangle given below, if it’s perimeter is 240 cm.
Correct Answer:
80 cm
Explanation:
Correct answer: 80 cm
Question 1
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