Graphing
What is domain?
all possible inputs or the possible x's
What happens to the inequality sign if you divide by a negative?
It switches directions
What is an abstract equation?
An equation left in terms of variables.
(Tie with the Winner) What is the equation for the area of a triangle?
1/2 (bh)
What is a percent?
A fraction of some total.
(Daily Triple) How many quadrants are there on a Cartesian coordinate plane?
4
Solve the following Inequality.
3x-2>7
x>3
Write an algebraic expression from the sentence.
"Three times a number minus the quantity of the same number divided by two."
3x-(x/2)
What is the perimeter?
The sum of all the sides.
What is 20% of 50?
10
If we reflected (2,1) over the x axis what would the new point be?
(2,-1)
How do we graph inequalities with one variable?
on a number line.
(Daily Double) What does the word "is" mean when you are writing algebraic expressions from words.
=
If a triangle has all equal sides and the perimeter is 21, what is the length of one side?
x = 7
What is 0.38 expressed as a percent?
38%
What quadrant is (2,-3) in?
Q4
(Daily Double) How would we graph the following inequality?
-2x+3 >7
Open whole at -2 and an arrow pointing to the left on a number line.
Solve the following equation for n.
PV = nRT
n = PV/RT
If the length of a rectangle is two more than the width and the perimeter is 44, what are the dimensions.
W=10 and L = 12
What percent is 4 of 60?
6.67%
What is the range of the following relation?
{(8,9),(-3,2),(6,-5)}
{9,2,-5}
How do we write " x cannot equal 3" in interval notation?
(-inf,3)U(3,inf)
Solve the following equation for y.
2x-2y =4z
y = x-2z
What is the area of a rectangular pool if one side is twice the other and the perimeter is 60 feet?
200 feet2
If James is a salesman that gets a 15% commission on all his sales. How much would he earn if he sold a 500 dollar couch?
(0.15)(500)=75