Combing Like terms
4a - a
3a
What is 3 less than 46
43
Ellen is 2 years older than her brother Luke. Let k represent Luke’s age. Write an expression that represents Ellen’s age?
k+2
Solve 4 + r
r=18
22
Which expression has a coefficient of 2?
A) 3 B) 2x5
C) 4x2 D 3x/2
B) 2x5
4+2x+3
2x+7
Write an expression that is equivalent to the following:
x + x + x + x – 20
4x-20
Which expression represents the phrase “8 less than the product of 6 and a number, x”?
6x-8
Solve 18/n
n=3
6
How many terms are in the following expression?
56xy+5-6x+y/20
4 terms
5b - 1 + 2b
7b-1
What is an equivalent way to express 3𝑦?
y+y+y
Kyle starts with $15.00 and saves $3.50 each day. Write an expression represents the total amount Kyle saves?
3.50t + 15
where t is the number of days.
Select all the expressions with a value of 18 when
y = 6.
A) 2(y + y) B) 3 + y
C) 2y + y D) 3y
C) 2y + y & D) 3y
Jeffrey is n years old. He has a brother named Max. Max is 5 years older than twice Jeffery’s age. Write an expression that represents the relationship of Max’s age in terms of Jeffrey’s age, 𝑛.
2n+5 or 5+2n
4(x+3)
4x+12
Which expression is equivalent to 4(6x + 11)?
A) 68
B) 68x
C) 24x + 11
D) 24x + 44
D) 24x + 44
Jason makes 30 dollars an hour. He spends 40 dollars a day on transportation and food. Write an expression to describe his spending and earnings for the day, where 𝑥 is the number of hours that Jason works a day.
30x-40
What is the value of the expression 1/2n2 - 8/n when
n= 4?
6
Which is equivalent to 4 (3x + 5y + 2z) + 3 (x – z)
A) 12x + 20y + 8z
B) 5(3x + 4y + z)
C) 15x + 20 y – 5z
B) 5(3x + 4y + z)
11(x+ 1) - 2
11x + 9
Select all the expressions that are equivalent to
The given expression: 6(y + 4) – y
A) 4 C). 8y
B) 5y + 24 D) 6y + 4 - y
B) 5y + 24
Alyssa attends football games at her school. At each football game, she buys a bottle of water for $0.75 and a candy bar for $0.90. Select all expressions that represent the amount of money, in dollars, Alyssa spends after attending 6 football games.
A) 6 (0.75)(0.90)
B) 6(0.75 + 0.90)
C) 6(0.75) + 6(0.90)
D) 6 + 0.75 +0.90
E) (6 +0.75) (6 + 0.90)
B and C
Tyler is planting a garden with mums and daisies. The expression 7m + 3d gives the cost of the flowers when m is the number of mums and d is the number of daisies. How much will it cost in dollars to plant 6 mums and 9 daisies?
7m+3d
7(6)+3(9)
42+27
$69
Select all the statements that could be represented by the expression d – 10.
A) 10 less than d
B) 10 more than d
C) d decreased by 10
D) d less than 10
E) d minus 10
F) d increased by 10
A, C, and E