Solve for x:
x + 5 = 9
x = 4
Solve for x:
x - 3.12 = 0.26
x = 3.38
Write three possible solutions for x.
x<= 7
7, 6, 5, 4, ...
Write an equation that represents this table.
y = 6x
Which property is being used to keep these equations balanced?
n - 9 = 15
n - 9 + 9 = 15 + 9
addition property of equality
8x = 72
x = 9
Solve for x:
x/4 = 1.2
x = 4.8
Write an inequality for this situation:
There are fewer than 12 dogs.
d < 12
Write an equation to represent this table.
y = x + 7
How many solutions does an inequality have?
infinite
Solve for x:
22 = x - 12
x = 34
Solve for x:
x + 2 7/8 = 9 7/8
x = 7
Would this inequality be graphed using an open circle or a closed circle?
w > 9
open circle
Write an equation to represent this graph.
y = 3x
Write an expression for
twice the number of people decreased by 10
2n -10
Solve for x:
x/2 = 10
x = 20
Solve for x:
x + 1/3 = 3 8/9
x = 3 5/9
Write an inequality for this situation:
All of the students got at least an 80 on the quiz.
x >= 80
Write an equation for the amount of money, m, Joe makes in h hours if he makes $50 plus $8 per hour.
m = 50 + 8h
Where is the independent variable shown on a graph?
on the x-axis
Solve for x:
18 - x = 10
x = 8
Solve for x:
3/5 x=2 2/5
x = 4
What inequality is shown on the number line?
x <= -1
20h + 15 + 10h
30h + 15
The landscaper has to keep track of how many lawns he mows, l, and how much money he makes, m. Which is the dependent variable?
m (money)