Order of Operations
Arithmetic
Evaluating Algebraic Expressions
Simplifying Algebraic Expressions
Fractions
100
-2-[3^2-(4-6)]=
What is -13.
100
-3-7=
What is -10.
100
If x=2 and y=1, evaluate: 2xy-4
What is 0.
100
Are 4xy^2 and 4yx^2 like terms?
What is "no."
100
(3/5)+(7/5)=
What is 2.
200
(-1-3)/(|-2|+2)=
What is -1.
200
-11+2=
What is -9.
200
If x=1 and y=3, evaluate: xy-2x+3y-4
What is 6.
200
Are 3xy and 5yx like terms?
What is "yes."
200
(8/3)-(10/3)=
What is -2/3.
300
-3[1-(-6+7)(-2)]+|-4+3-5|=
What is -3.
300
-11(-2)=
What is 22.
300
If x=-1 and y=1, evaluate: 3x-2y+4xy+5
What is -4.
300
Simplify by combining like terms: 5x-y+3-2x
What is 3x-y+3.
300
(3/4)*(5/6)=
What is 5/8.
400
-2^2+(-2)^2+(8+|-4-4|)=
What is 16.
400
-14/(-7)=
What is 2.
400
If x=-2 and y=-4, evaluate: x^2-3xy+18
What is -2.
400
Simplify by combining like terms: 4(3x+1)-2(-x-1)
What is 14x+6
400
(1/3)/(4/5)=
What is 5/12.
500
14-2[6-(2*3+1)]/(2*|2-3|)=
What is 8.
500
21/(-3)=
What is -7.
500
If x=1, y=-1, and z=0, evaluate: xyz-x^2+y^2-z^2-3
What is -3.
500
Simplify by combining like terms: 3+7xy-(1+x^2-2xy)+4x^2
What is 2+9xy+3x^2.
500
(7/4)-(3/8)=
What is 11/8.
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