Question

So
Solution
(1) The coefficient of x in
(ii) The coefficient of a in -7abc is --7bc.
(iii) The coefficient of xyz in - xyz is -1.
(iv) The coefficient of b in -abc is -ac.
EXAMPLE 2.
Solution
(ili) ab - a?
(vi) a'-b
3
(ili) 2x? - 3y2 + z?
(vi) x - y - 7
COLUN
2
EXAN
(11) P-9-r
(vi) p + q* -st
So
(iv) z in -7x2
(viii) x2 in - x2
(ii) a in bab
(vii) xin x
EXERCISE 8B
1. If a = 2 and b = 3, find the value of
(i) a + b
(ii) a² + ab
(iv) 2a - 3b
(v) 5a? - 2ab
2. If x = 1, y = 2 and z = 5, find the value of
(i) 3x – 2y + 4z
(ii) x2 + y² + z'
(iv) xy + yz - ZX
(v) 2x²y - 5yz + xy
3. If p = - 2, q = -1 and r = 3, find the value of
(i) p² + q? - 72
(i) 2p? - q? + 3r?
(iv) pº + q + r ° + 3 par (v) 3p’q + 5 pq? + 2 par
4. Write the coefficient of
(i) x in 13x
(u) y in -5y
(v) p in -2 par (vi) yin 8xyz
5. Write the numerical coefficient of
(i) ab
(11) -6bc
(it) 7xyz
6. Write the constant term of
3
(iv) z - 2z2 + 2
(1) 3x2 + 5x + 8 (ii) 2x2 - 9
(ili) 4y? - 5y +
5
7. Identify the monomials, binomials and trinomials in the following:
(1) -2xyz
(ii) 5 + 7x y z
(iv) a + b - 2c
(v) xy + yz - ZX
(vii) ax + bx? + cx + d
(viii) -14
(iv) - 2xyz
3
3
(ili) -5x
(vi) x5
(ix) 2x + 1​

Answer 1

Answer:

I'm sorry that's not happening for 5 points.

Answer 2

Answer:

This is not fit for 5 points