Exercise 3: Notations

Test your knowledge in algebraic notations

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QUESTION OF
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Views #: 1253
Questions #: 6
Time: 5 minutes
Pass Score: 80.0%
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Complete the following solution

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Evaluate the expression for a = 5, x = -2, and y = 4

9a - a2 = 9((1)) -(5)2

             = 9(5) - (2)

             = (3) - 25

             = 20

 

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Complete the following solution

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Evaluate each expression for a = 5, x = -2, y = 4

-x + 6y = -((1)) + 6((2))

             = (3) + 24

             = (4)

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Write the expression without using a multiplication symbol or parentheses

1 pts
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$4 \cdot x$

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Write the expression without using a multiplication symbol or parentheses

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$P \cdot r \cdot t$

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Write the expression without using a multiplication symbol or parentheses

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$2(w)$

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Write the expression without using a multiplication symbol or parentheses

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$(x)(y)$

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0
sin cos tan
sin-1 cos-1 tan-1 π e
xy x3 x2 ex 10x
y√x 3√x √x ln log
( ) 1/x % n!
7 8 9 + MS
4 5 6 – M+
1 2 3 × M-
0 . EXP ÷ MR
± RND C = MC
Keywords
Year 7