This method of solving systems requires you to find the LCM of the coefficients of one of the variables to cancel a variable out through addition or subtraction of the equations.
What is elimination?
100
Unless you really struggle with the algebraic methods, this is usually the slowest way to solve a system of equations. Plus, if the answer is a decimal/fraction, it might be impossible to tell from this.
What is graphing?
100
If you're using this WDYD method, you'd be wise to organize your work and results in a table.
What is guess and check?
100
The value of m in the equation 8-m=-2.
What is m=10?
100
This school is housed in the basement of Sheepshead Bay HS and is a transfer school.
What is Professional Pathways?
200
When you are done solving a system of equations, you should ALWAYS do this!
What is a check?
200
This is the name of the point, if it exists, where two equations intersect on a coordinate plane.
What is the solution?
200
If instead of answering a question about a million people, you do it for 50 and look for a pattern, you are using this WDYD strategy.
What is solving a similar, simpler problem?
200
The number of solutions to the equation 2(x-1)=-2.
What is one solution (x=0)?
200
This date marks the shortest day of the year and just recently passed, marking the first official day of winter every year.
What is December 21st?
300
This algebraic method for solving would be the best method for the system of equations y=2x-1 and 5x+3y=22.
What is substitution?
300
Solve this system: x=y and y=2x.
What is NO SOLUTION!
300
"Let x represent" is the common way that we do this step to solving problems using equations or inequalities."
What is defining a variable?
300
The property that allows you to calculate 5(32) quickly in your head.
What is distributive: 5(32)=5(30+2)=150+10=160?
300
This is the total number of days off you have coming up!
What is 10?
400
Solve this system: x+y=15 and y=x+1
What is (7,8)? Use mental math!
400
When you are writing a system of equations to represent and solve a situation, this is the first step you SHOULD take!
What is the define variables?
400
Algebraic expressions and equations can be simplified using this process when there are two or more of the same variable.
What is combining like terms?
400
An equation is just two of these, set equal to each other.
What are expressions?
400
These two teams made it to the 2014 World Cup. And _____ was the winner.
Who is Germany and Argentina? Who is Germany?
500
If a system of equations has NO SOLUTION, what can you say about their graphs?
What is they are parallel?
500
DAILY DOUBLE
The sum of two numbers is 40, and one number is three times greater than the other. What is the larger number?
500
The number of solutions to the equation x+1 = x+2.
What is zero? NO SOLUTION: is there any value for x that is the same when you add 1 and 2 to it.
500
Solve for x: x + 2x + 3x + 4x = 2x + 3x + 4x + 1
What is x = 1?
500
This country has produced the most Nobel laureates with 106. It's European neighbor, France, is 2nd with 68.