Why is it important to use parentheses when substituting negative values in expressions?

Evaluating Expressions and Operations

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To ensure the correct order of operations is followed.
To avoid errors in calculation due to negative bases.
To simplify the expression.
To make the expression look neat.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of evaluating the expression 7 * (3 - 2) + 8 * (9^2 + 4) when x = 3 and y = 9?
687
680
650
700
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the expression 7 * (3 - 2) + 8 * (9^2 + 4), what operation should be performed first?
Multiplication
Exponentiation
Subtraction
Addition
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the expression 9 * 6^2 + 5 - (-3)^3 - 7, what is the value of the expression after simplification?
350
363
340
370
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in simplifying the expression 9 * 6^2 + 5 - (-3)^3 - 7?
Simplify the exponents.
Add the numbers.
Subtract the values.
Multiply the terms.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of (-3)^3?
-9
-27
9
27
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When evaluating a fraction, why is it important to simplify the numerator and denominator separately?
To avoid errors in calculation.
To make the expression look neat.
To ensure the correct order of operations is followed.
To simplify the expression.
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