In the acronym "PEMDAS", this stands for the first operation you should perform.
Parentheses
In the equation x+4=18 , what operation do you have to perform to solve for x?
Subtraction
What do you get when you add a rational number to another rational number?
A rational number
I am a talking turtle who knows martial arts. I wear a blue mask and have twin katanas. Who am I?
Leonardo
What cereal is Sonny coo-coo for?
Coco Puffs
If an expression contains both multiplication and division, you perform them from left to right, just like these two operations.
Addition and Subtraction
What is the coefficient in the equation -3x-9=27 ?
- 3
Is a rational number times an irrational number always irrational, sometimes irrational, or never irrational?
Sometimes irrational (it will be rational when the rational number being multiplied is zero)
I am a talking dog who dates real women. I live with five other people, and my best friend is a talking baby, who out of everyone in the house, I can only understand. Who am I?
Brian Griffin
If we are in a race and I am in third place, and you pass me, what place are you in now?
Third Place
When solving a mathematical expression, these ensure that certain operations are done first, even if they're in the middle of an equation.
Parentheses or Brackets
What is the answer to the equation 5x+3=5x-3
No solution
When will the product of a rational number times an irrational number be a rational number
When the rational number being multiplied is zero.
I'm a cartoon character that has a green talking dinosaur. I wear a stethoscope and fix up toys with the help of my stuffed friends. Who am I?
Doc McStuffins
What three-dimensional shape can be found in the deserts of Egypt?
Pyramid
This operation, symbolized by a raised small number, takes precedence after parentheses in the order of operations.
Exponents
SOVLE 5x+4=2x-7 ?
x=-11/3
x=-3.6666667
Why will the product of sqrt12 and sqrt3 result in a rational number?
Because the product is
sqrt36
, which is a perfect square, hence a rational number.
I am a cartoon character who is a genius scientist who goes on crazy adventures with his grandson. I wear lab coat and have spiky blue hair. Who am I?
Rick Sanchez
Even when it's broken, it's still right twice a day.
A Clock
6+3(8-5^2)+12\div2
-7
Solve for x:
7x-2+3x+9=-4x+5-2x
-\frac{2}{16}
-\frac{1}{8}
-0.125
Classify the expression 2/sqrt49+sqrt18/3 as rational or irrational. Explain your reasoning.
Irrational because a rational plus an irrational number is always irrational.
I am a cartoon character who is the eldest child of my famous yellow family. I am known for my spiky hair and mischievous personality. Who am I?
Bart Simpson
You can find this on the top of someones head, on a bottle, or in a liar's mouth.
Cap