# EVALUATING EXPRESSIONS WITH GIVEN VALUES FOR VARIABLES WORKSHEET

Evaluate the algebraic expression for the given values.

Problem 1 :

7x + 8 when x = 2

Solution

Problem 2 :

5x − 4 when x = 6

Solution

Problem 3 :

x2 when x = 12

Solution

Problem 4 :

4x when x = 2

Solution

Problem 5 :

x2 + 3x - 7 when x = 4

Solution

Problem 6 :

(x - y)when x = 10 and y = 7

Solution

Problem 7 :

a2 + bwhen a = 3 and b = 8

Solution

Problem 8 :

r- swhen r = 12 and s = 5

Solution

Problem 9 :

2L + 2W when L = 15 and W = 12

Solution

Problem 10 :

2x + 4y - 5 when x = 7 and y = 8

Solution

 1)  222)  263) 1444)   165)   3 6)  97)   738)  1199) 5410)  41

Example 1 :

a3 - [(b2 + c)/a] + (ab + c), if a = 4, b = -3 and c = 7

Solution

Example 2 :

What is the value of

(2c/a)2 - 10 x (b +a)/c

if a = -2, b = 3 and c = 5 ?

Solution

Example 3 :

What is the value of

9 - 2x ÷ (z - y)3

if x = 4, y = -1 and z = -3 ?

Solution

Example 4 :

If x = 10, what is the value of x/2 + x/20 + x/200 ?

Solution

Example 5 :

If a = 3, b = -1 and c = -2, what is the value of

7 - [(a - 12) ÷ (2 - b)]/(c+ 3) ?

Solution

1)  55

2)  23

3)  10

4)  5.55

5)  10

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