QUESTIONS WITH SOLUTIONS GRADED A+
◉ constant . Answer: a value that does not change
◉ factor . Answer: a number or expression that is multiplied by another
number or expression to get a product
◉ monomial . Answer: a number or a product of numbers and variables
with whole-number exponents, or a polynomial with one term
◉ polynomial . Answer: a monomial or a sum or difference of
monomials
◉ consistent system . Answer: a system of equations or inequalities that
has at least one solution
◉ dependent system . Answer: a system of equations that has infinitely
many solutions
, ◉ elimination method . Answer: a method used to solve systems of
equations in which one variable is eliminated by adding or subtracting
two equations of the system
◉ inconsistent system . Answer: a system of equations or inequalities
that has no solution
◉ independent system . Answer: a system of equations that has exactly
one solution
◉ substitution method . Answer: A method used to solve systems of
equations by solving an equation for one variable and substituting the
resulting expression into the other equation(s)
◉ system of linear equations . Answer: a system of equations in which
all of the equations are linear
◉ correlation . Answer: a measure of the strength an direction of the
relationship between two variables or data sets
◉ correlation coefficient . Answer: a number r greater than or equal to -
1 and less than or equal to 1, that describes how closely the points in a
scatter plot cluster around the line of best fit.