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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
2.15 Value of an Expression - II

Example: Find the value of an expression (1/3)x + 2/3 when x=3.

Solution: Substituting the value of x in the given equation,
1/3 * 3 + 2/3 = 1 + 2/3
The LCM is 3
so that(3+2)/3 = 5/3.
the value of the given equation when x=3 is 5/3.


Directions: Solve the following problems and show your work. Also write at least ten examples of your own.
Q 1: Find the value of an expression (21/8)x - 20/9 when x=1.
Answer:

Q 2: Find the value of an expression (7/3)x - 5/3 when x=0.
Answer:

Q 3: Find the value of an expression (4/3)x - 5/2 when x=3.
Answer:

Q 4: Find the value of an expression (7/8)x + 5/2 when x=4.
Answer:

Q 5: Find the value of an expression (7/6)x + 5/2 when x=3.
Answer:

Q 6: Find the value of an expression (7/8)x +5/4 when x=1.
Answer:

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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