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Question 1 of 5
Given that a=8, evaluate the expression
a+7
Incorrect
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Simply substitute the given value for the variable.
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a +7 |
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= |
8 +7 |
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= |
15 |
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Question 2 of 5
Given that a=7, evaluate the expression
2a−11
Incorrect
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Simply substitute the given value for the variable.
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2a −11 |
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= |
(2×7 )−11 |
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14−11 |
2×7=14 |
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3 |
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Question 3 of 5
Given that a=8, evaluate the expression
40−3a
Incorrect
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Simply substitute the given value for the variable.
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40−3a |
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= |
40−(3×8) |
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= |
40−24 |
3×8=24 |
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= |
16 |
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Question 4 of 5
Given that a=5, evaluate the expression
2a2
Incorrect
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Simply substitute the given value for the variable.
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2a2 |
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= |
2×(5)2 |
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= |
2×25 |
52=5×5=25 |
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50 |
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Question 5 of 5
Given that a=6, evaluate the expression
2(a2+1)
Incorrect
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Simply substitute the given value for the variable.
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2(a2+1) |
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2(62+1) |
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2(36+1) |
62=36 |
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2×37 |
Solve the operation inside the parenthesis |
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74 |