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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
2.1 Value of an Expression - I

Example: Find the value of expression 7x+9, when x=2.

Solution: Substitute the value x=2 in the given equation:
7x+9 = 7*(2) + 9 =14 + 9 = 23.
Therefore the value of the expression when x=2 is 23.
Answer: 23


Directions: Solve the following expressions and show your work. Also write at least ten examples of your own.
Q 1: Find the value of the expression 15x+9, when x=1.
Answer:

Q 2: Find the value of the expression 8x+15, when x=5.
Answer:

Q 3: Find the value of the expression 8x+20, when x=3.
Answer:

Q 4: Find the value of the expression 7x+15, when x=0.
Answer:

Q 5: Find the value of the expression 2x+9, when x=2.
Answer:

Q 6: Find the value of the expression 6x+7 when x=3.
Answer:

Q 7: Find the value of the expression 7x+50, when x=-3.
Answer:

Q 8: Find the value of the expression 9x+11, when x=4.
Answer:

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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