Years
>
Year 9>
Algebraic Expressions>
Evaluate Rational Expressions with Variables>
Evaluate Rational Expressions with VariablesEvaluate Rational Expressions with Variables
Try VividMath Premium to unlock full access
Time limit: 0
Quiz summary
0 of 4 questions completed
Questions:
- 1
- 2
- 3
- 4
Information
–
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Loading...
- 1
- 2
- 3
- 4
- Answered
- Review
-
Question 1 of 4
1. Question
Given that `a=12`, evaluate the expression`(3a)/2`- (18)
Hint
Help VideoCorrect
Keep Going!
Incorrect
Order of Operations (PEMDAS)
P`=`Parentheses
E`=`Exponents
M/D`=`Multiplication/Division
A/S`=`Addition/SubtractionSimply substitute the given value for the variable.`a` `=` `12` $$\frac{3\color{#9a00c7}{a}}{2}$$ `=` $$\frac{3(\color{#9a00c7}{12})}{2}$$ `=` `36/2` `=` `18` `18` -
Question 2 of 4
2. Question
Given that `a=10`, evaluate the expression`(5(a-4))/10`- (3)
Hint
Help VideoCorrect
Exceptional!
Incorrect
Order of Operations (PEMDAS)
P`=`Parentheses
E`=`Exponents
M/D`=`Multiplication/Division
A/S`=`Addition/SubtractionSimply substitute the given value for the variable.`a` `=` `10` $$\frac{5(\color{#9a00c7}{a}-4)}{10}$$ `=` $$\frac{5(\color{#9a00c7}{10}-4)}{10}$$ `=` `(5(6))/10` `=` `30/10` `=` `3` `3` -
Question 3 of 4
3. Question
Evaluate `(10bc)/a` using the following values:`a=5``b=3``c=2`- (12)
Hint
Help VideoCorrect
Excellent!
Incorrect
Order of Operations (PEMDAS)
P`=`Parentheses
E`=`Exponents
M/D`=`Multiplication/Division
A/S`=`Addition/SubtractionSimply substitute the given value for the variable.`a` `=` `5` `b` `=` `3` `c` `=` `2` $$\frac{10\color{#00880A}{b}\color{#e65021}{c}}{\color{#9a00c7}{a}}$$ `=` $$\frac{10\times\color{#00880A}{3}\times\color{#e65021}{2}}{\color{#9a00c7}{5}}$$ `=` `(30xx2)/5` `10xx3=30` `=` `60/5` `30xx2=60` `=` `12` `12` -
Question 4 of 4
4. Question
Evaluate `(9c^2)/(a+1)` using the following values:`a=5``b=3``c=2`- (6)
Hint
Help VideoCorrect
Nice Job!
Incorrect
Order of Operations (PEMDAS)
P`=`Parentheses
E`=`Exponents
M/D`=`Multiplication/Division
A/S`=`Addition/SubtractionSimply substitute the given value for the variable.`a` `=` `5` `b` `=` `3` `c` `=` `2` $$\frac{9\color{#e65021}{c}^2}{\color{#9a00c7}{a}+1}$$ `=` $$\frac{9\times\color{#e65021}{2}^2}{\color{#9a00c7}{5}+1}$$ `=` `(9xx4)/6` `2^2=2xx2=4` `=` `36/6` `9xx4=36` `=` `6` `6`
Quizzes
- Simplify Algebraic Expressions 1
- Simplify Algebraic Expressions 2
- Simplify Algebraic Expressions 3
- Evaluate One Variable Expressions
- Evaluate Multi-Variable Expressions
- Evaluate Rational Expressions with Variables
- Evaluate Multi Variable Expressions Involving Negative Numbers 1
- Evaluate Multi Variable Expressions Involving Negative Numbers 2
- Distributive Property with Variables 1
- Distributive Property with Variables 2
- Distributive Property with Variables 3
- Write Algebraic Expressions from Diagrams
- Evaluate Algebraic Expressions – Problems
- Combining Like Terms 1
- Combining Like Terms 2
- Combining Like Terms 3