Algebraic Expressions
Write an expression for: five more than a number n.
n+5
Simplify:
10 + 4g + 3g - 8
7g + 2
Solve:
z + 6 = 14
z = 8
Solve and graph:
7x < 56
x < 8
Open point at 8, shade left
A letter that represents a number is called what?
Variable
Write an expression for: the product of 6 and a number x.
6x
Simplify:
12x + 6y + 2 − y + 2x
14x + 5y + 2
Solve:
4v = 20
v = 5
Solve and graph:
p - 3 ≥ 5
p ≥ 8
Closed point at 8, shade right
What is 25% of 40?
10
Write an expression for: three less than twice a number y.
2y−3
Simplify and name the coefficient of c:
9c − 4c + 6
5c + 6
coefficient: 5
Solve:
3e + 2 = 14
e = 4
Solve and graph:
b + 57 < 100
b < 43
Open point at 43, shade left
Evaluate when p = 4:
2p + 6
14
Write an expression for: the quotient of a number m and 4, increased by 7.
(m/4)+7
Simplify:
2(3x + 4) + 5x - 6
11x + 2
Daily Double!
Solve:
3(2x + 6 - x) + 3x = 30
Solve and graph:
2x + 7 > 13
x > 3
Open circle at 3, shade right
A number, variable, or product of numbers and variables separated by + or − signs is called what?
A term
Write an expression for: half of the sum of a number k and 10.
(k+10)/2
Simplify and name the coefficient of w:
3(w + 2) + 2(w + 5)
5w + 16
coefficient: 5
Simplify and identify the coefficient and constant in your final answer:
2(3x + 4) − x
Coefficient: 5
Constant: 8
Solve and graph:
2(j + 5) - 4 ≤ 10
j ≤ 2
Closed point at 2, shade left
3(2m - 9) + m
29