Write an expression 1
Add 2 to x
x+2
4 more than x
x+4
The most common variable found in algebra is_____.
x
If b = 12, what is b + 52?
64
If c = 5, what is 81 – c?
76
Subtract 7 from y
y-7
8 less than y
y-8
The letter used for an unknown number is called?
Variable
If t = 17, what is 4t?
68
If n =10, what is n/2?
5
f divided by 6
f/6
Divide 132 by the product of 6 & h.
132/(6h)
Which computation solves 7x if x=4?
Multiplication
If z = 13, what is 2z – 27?
-1
If g = 7, what is 2g + 8?
22
3 groups of x
3x
17 groups of y
17y
How many letters in the word "algebra"?
If x = 2, what is
(24x)/3
?
If g = 12, what is
(2g)/8
?
3
Subtract 13 from the product of 9 & a.
9a-13
15 more than the product of 98 & a.
98a+15
What is the difference between an expression and an equation?
An algebraic expression is a set of numbers and letters or variables related by mathematical operations.
An equation is a combination of two expressions separated by an equal sign, which means that both expressions must be equal to each other.
If y = 8, what is 9y - 24?
48
If n = 7, what is 9n - 17?
46