Exercise 3: Notations

Test your knowledge in algebraic notations
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Questions #: 6
Time: 5 minutes
Pass Score: 80.0%
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Complete the following solution

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

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

             = 9(5) -

             = - 25

             = 20

 

POINTS (1)

Correct Answer

Explanation

Complete the following solution

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

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

             = + 24

             =

POINTS (1)

Correct Answer

Explanation

Write the expression without using a multiplication symbol or parentheses

$4 \cdot x$

POINTS (1)

Correct Answer

Explanation

Write the expression without using a multiplication symbol or parentheses

$P \cdot r \cdot t$

POINTS (1)

Correct Answer

Explanation

Write the expression without using a multiplication symbol or parentheses

$2(w)$

POINTS (1)

Correct Answer

Explanation

Write the expression without using a multiplication symbol or parentheses

$(x)(y)$

POINTS (1)

Correct Answer

Explanation

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