Identify Variable
in x + 5 what is the VARIABLE
x
What is the coefficient in 3x +5 ?
3
What is the constant in x + 6?
6
Write an expression for 6 times a number (n)
6n
In 2x+5 how many terms are there?
2 terms: 2x and +5
In 3n + 7 what is the variable?
n
What is the coefficient in 7n -2?
7
What is the constant in 4n + 9?
9
Write an expression for a number (x) + 4.
x +4
In 6y + 10, identify the coefficient and the constant.
Coefficient: 6
Constant: 10
in 8y- 4 what is the variable?
y
Marcus earns $14 per hour and gets a $5 bonus. His earnings are represented by 14h + 5. What is the coefficient?
14
A taxi charges a $4 starting fee plus $3 per mile. The expression is 4 + 3m. What is the constant?
4
Ava has $40 saved and earns $12 every week. Write an expression for how much money she will have after (w) weeks if she spends NOTHING!!
40+12w
Is 4x+7 an expression or an equation?
EXPRESSIO. IT HAS NO =
in 5a + 2b + 9 what are the variable(s)?
a and b
A student deposits $25 every week into an account that starts with $80. The expression is 80 + 25w. What is the coefficient and what does it represent?
25- and the amount added/deposited each week
A video game player starts with 150 points and loses 12 points for every mistake. The expression is 150-12x. What is the constant, and what does it represent?
150: The starting number of points
A gym charges a $25 registration fee and $18 per month. Write an expression for the total cost after (m) months.
A student has 100 points in a game, loses 8 points for every mistake, and earns 15 points as a bonus. Write an expression for the score after (m) mistakes.
100-8m+15
A school sells tickets for $6 each. The expression 6t + 20 represents the money collected, including the $20 already collected. What is the variable and what does it represent?
T= number of tickets sold
A store charges $12 per shirt and $5 for shipping. The expression is 12s + 5. What is the coefficient and what does it represent?
12: The cost of each shirt in dollars.
A student starts with $125 and saves $20 each week. The expression 125 +20w represents the total savings. Identify the constant, and explain its meaning.
125: The starting amount of money.
A bank account starts with $250. Ms. Murray deposits $35 each week and never withdraws any money. Write an expression for the account balance after (w) weeks.
250+35w
A student has $50 saved and earns $10 each week. Write an expression for the total savings after (w) weeks. Then identify the variable, coefficient, and constant.
Expression: 50+10w
Variable: w
Coefficient: 10
Constant: 50