Question

107
Algebraic Expressions
wariables
quired
ASSIGNMENT 4.6
1. Multiple Choice Questions (MCQ) Choose the correct option.
(1) The value of a, if the value of - x2 + 3x - a is equal to 8, when x = -1, is
(a) 12
(b) 14
(c) 15
(d) - 12
(ii) The length of a rectangle is 6 m less than three times its breadth. The
dimensions of the rectangle, if its perimeter is 148 m, are
(a) 54 m, 20 m
(b) 14 m, 40 m
(c) 54 m, 24 m
(d) 54 m, 14 m
2. Verify that y = 9 is the solution of the equation +5 = 8.
3
creased
r+ 7 = 11.
3. Verify that x = 8 is the solution of the equation
2
x - 3
5
* + 6
5
5x - 4
4. Verify that x = 8 is a solution of the equation
8
5. Solve the following:
(i) 6(3x + 2) - 5(6x - 1) = 6(x-3) - 5 (7x-6) + 12x
12
(ii) (x - 5) = 24 + 8.x
is 25.
6. Solve 3r + 7 = 35 - x and check your answer.
7. Solve 3(x - 1) = 2x - 11 and check the result.
8. Solve 3(x + 3) - 2(x - 1) = 5(x - 5) and check the result.
9. Find x il 2p - 5p - 3x = -6, when p = -2.
109 ind it​

Answer 1

Answer:

Algebraic Expressions

wariables

quired

ASSIGNMENT 4.6

1. Multiple Choice Questions (MCQ) Choose the correct option.

(1) The value of a, if the value of - x2 + 3x - a is equal to 8, when x = -1, is

(a) 12

(b) 14

(c) 15

(d) - 12

(ii) The length of a rectangle is 6 m less than three times its breadth. The

dimensions of the rectangle, if its perimeter is 148 m, are

(a) 54 m, 20 m

(b) 14 m, 40 m

(c) 54 m, 24 m

(d) 54 m, 14 m

2. Verify that y = 9 is the solution of the equation +5 = 8.

3

creased

r+ 7 = 11.