The numerical coefficient of - 3x2 is
-3
3
x
x2
Write the coefficient of xy in 12 x2 y + 5
12
5
12 x2
12 x
A rope is (x-5)m long. Another rope has length (3x-2)m. If both the ropes are joined , find the length of the joined rope.
-4x + 7
4x + 7
4x -7
-4x -7
Find the value of 16 a + 15b - 10a - 4b for a- 11 and b = 8 is
154
142
131
110
Which of the following is false?
5 + p is a constant
15 x is a variable
The coefficient of 2 x3 y in the term 12x3 y2Z is 6yz
These are three terms in the expression xyz.
Simplify [ 7- 3x + 10y - ( x - 2y)] - [5x + 2y -10]
17 + 9x + 10y
17 + 9x - 10y
17 - 9x + 10y
17 - 9x - 10y
For what value of a will -p3 + 15 ap + p2 - 9 equal 16 for p = 5.
5/3
3/5
Subtract the sum of 6m + 5n - 7p2 and 6p2 - 2m + n from the sum of 2m + 3n - 10p2 and -m -2n - 3p2 .
-3m - 5n - 12 p2
3m + 5n + 12p2
-3m + 5n + 12p2
3m - 5n + 12 p2
The value of the expression x + 10 for x = -1 is
10
9
11
-9
Three sides of a triangle are 4x2 + x -1, 2x2 - 3 x + 5 and -x2 + 4x + 1. Find the perimeter of the triangle.
5x2 + 2x - 5
5x2 + 2x + 5
5x2 - 2x + 5
5 x2 - 2x -5