What is the primary reason for using parentheses when substituting values in expressions?

Evaluating Expressions and Operations

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To simplify the expression
To make the expression look neat
To ensure correct order of operations
To avoid errors with negative numbers and exponents
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the expression X^2 + 2 + Y^2 - 3, what is the result when X = 3 and Y = -3?
15
17
19
21
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When solving a word problem involving a spring's length, what is the first step?
Convert units to meters
Ignore the given variables
Evaluate the given length in the equation
Solve for the force directly
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you solve for F in the equation after substituting the length?
Subtract 0.03 and multiply by 3/2
Divide by 3/2
Multiply by 2/3
Add 0.03 to both sides
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the expression X = 3 + Y, what is the result of (3 + Y - Y)^2?
12
15
9
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the alternative method to solve X = 3 + Y?
Divide both sides by Y
Subtract Y from both sides
Add Y to both sides
Multiply both sides by Y
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of the expression √(M/X - 3) when M = -16 and X = -4?
1
2
3
4
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