Please solve this:- 4 If r = 6, and s = 3, find the value of: (i) 2r2+7r+15r2-3r+9 - Maths - Algebraic Expressions

Question

Please solve this:-

4 If r = 6, and s = 3, find the
value of:
(i) 2 r 2 + 7 r + 15 r 2 - 3 r + 9
5 The value of the expression 2y
2 – x – 3z 3
for x = –2, y = 2 and z = –1 is
(a) 9
(b) 13
(c) 3
(d) 7

Komal Garg · Accepted Answer

Please solve this:- 4. If r = 6, and s = 3, find the value of: (i) 2 r 2 + 7 r + 15 r 2 - 3 r + 9 5. The value of the expression 2y 2 – x – 3z 3 for x = –2, y = 2 and z = –1 is (a) 9 (b) 13 (c) 3 (d) 7

Please solve this:-

4. If r = 6, and s = 3, find the value of:
(i) $\frac{2 r^{2} + 7 r + 15}{r^{2} - 3 r + 9}$
5. The value of the expression 2y ² – x – 3z ³ for x = –2, y = 2 and z = –1 is
(a) 9
(b) 13
(c) 3
(d) 7