Expressions
How many terms does the expression below have?
5x+3
2
Solve the equation below.
5(2x - 3) + 4 = -6
x = 1/2
Solve the equation below for L.
P = 2L + 2W
L = (P - 2W)/2
Do we use an open point or closed point for
> or <?
Open point
What is the domain of the function below?
{(3, 2), (4, 1), (5, 9), (8, 10)}
D: {3, 4, 5, 8}
Simplify the expression below.
8(3x+4) - 20
24x + 12
Solve the equation below.
-4(3x + 5) + 6(x - 2) = 16
x = -8
Solve the equation below for x.
ax + b = c
x = (c - b)/a
Solve the inequality below.
3x + 2 > 1/2(x + 5)
x > -1/5
What is the range of the function below?
y = 4x - 5
All real numbers
Simplify the expression below.
-3(7x - 2) - 5(2x + 4)
-31x -14
What would "a" and "b" need to be for one solution?
6x - 10 = ax + b
a cannot be 6 and b can be any number other than -10
Solve the equation below for r.
C =2Pi * r
r = c/2Pi
Solve the inequality.
4(x - 2) < 3x + 5
x < 13
What is the domain for x = 6?
D: {6}
At the movies, children's tickets are $6 each and adult's tickets are $10 each. Shandra buys 14 tickets. Let A be the number of adult going to the movies.
Write an expression for the number of children's tickets.
14 - a
What would "a" and "b" need to be for infinite solutions?
10x - 5 = ax + b
a = 10
b = -5
Solve the equation for h.
V = 1/3(bh)
h = 3V/b
Kelly receives a loan from her parents to buy a bike. She pays $100 of the initial cost and her parents pay the rest. She makes weekly payments of $20.
Write an inequality to represent how much money she needs to pay back, if L is the money she borrowed.
L is greater than or equal to 20x
What is the range for y = 9?
R: {9}
At the movies, children's tickets are $6 each and adult's tickets are $10 each. Shandra buys 14 tickets. Let A be the number of adult going to the movies.
Write an expression for the total cost of all tickets.
10a + 6(14 - a)
What would "a" and "b" have to be to have no solutions?
5x + 9 = ax + b
a = 5 and b can be any number other than 9
Solve the equation for x.
w = 2Pi*h + 2Pi*hx
x = (w - 2Pi*h)/2Pi*h
Kevin receives a loan from his parents to buy a laptop. He pays $230 of the initial cost and his parents pay the rest. He makes weekly payments of $50.
Write an inequality to represent the money that Kevin needs to pay back his parents, if L is the loan.
L is greater than or equal to 50x
What test will tell you if a graph is a function or not?
Vertical Line Test