Expressions
A ____________ are the numbers and variables separated by operation signs in an expression.
What is a term?
14 - 3g = 32
g=-6
6(x-1) = 12
x = 3
≥
greater than or equal to
2y + 7 > 11
y>2
Expressions do not contain an ________ unlike equations.
What is an equal sign?
(d÷ 15) + 26 = 33
d=105
42 = 18t + 4t + 20
t = 1
< , >
(x ÷ -3) -8 ≥ -3
x ≤ -15
____________ are numbers that multiply a variable in an expression.
What is a coefficient?
5x - 4 = 21
x = 5
-5(3n+5) = 20
n = -3
<
less than
3 + (b÷3) <7
b<12
__________ are letters that represent an unknown number.
What are variables?
25 - 3x = 70
x = -15
-3(2x-1) = -21
x=4
t is no more than fifteen minus three
t < 15 - 3
(z ÷ -4) + 3 < 15
z > -57
________ is the inverse operation to addition.
What is subtraction?
(w÷ 4) - 21 = -3
w=9
5x -9 + 2x = 19
x=4
c is at least the sum of 2 and 3.
c ≥ 2+3
11 - 4z <-1
z>3