All Things Being Equal
The formal name for an answer to an equation
What is a solution?
If ab=0 then ...
a=0 or b=0 (or both)
An example of an irrational number
What is sqrt(2)? (there are many possible answers)
rise/run
What is the slope, or rate of change?
A system of linear equations always has at least one solution.
What is false?
Equations that look different but have the same solution
What are equivalent equations?
factor x2+3x+2
What is (x+1)(x+2)?
The LCD of the fractions 1/(4x) and 2/(6x)
What is 12x?
slope of the line containing the points (-1,2) and (1,-3)
What is -5/2
Solution to x+ y=4
-x+2y=2
What is (1,3)?
Solve 2x-(21+x)=-31
What is x=-10
factor x2-9
What is (x-3)(x+3)?
Solve the rational equation 3/x +2 = 4/(5x)
What is -11/10?
Equation of the line with slope m=5 and through (0,-3)
What is y=5x-3 ?
Solution to the system x=10
y=-5
What is (10,-5) ?
Solve the equation av+bv=c+d for v
What is v=(c+d)/(a+b) ?
Quantity added to both sides when completing the square in x2-4x=4
What is 4?
The scientific notation for 0.000012
What is 1.2 x 10-5 ?
Slope and y-intercept of 2y+x=5
What is m=-1/2 and y-intercept (0,5/2)?
Solution to 2x-3y=1
3x-2y=3/2
What is (1/2,0) ?
Solution to |3x-1|=5
What is x=-4/3 and x=2 ?
Solution to x2-4x=4
What is x=[2+sqrt(8)] and x=[2-sqrt(8)] ?
Find the domain of the function y(x)=(x+5)/(x2-1)
What is all real numbers except x=-1 and x=1 ?
Solution to -7x+6<2x-1
What is x>7/9 ?
Example of a linear system with no solutions
What is x+y=0
x+y=1