EVALUATE EXPRESSIONS
Evaluate: 52 + 33
52 + 33
25 + 27
52
Write an expression that shows two more than the product of 3 and a number.
2 + 3n or 3n + 2
Which of the following expressions is equal to 6?
a. 32 + 0
b. 33
c. 32 - 3
c. 32 - 3
Solve for x.
3x = 12
x = 4
Brandon is saving money to buy a new video game. In order to afford it, he needs to save at least $55. Write an inequality to show how much money, m, Brandon needs to save.
m ≥ 55
Evaluate: (5+3)2 / 2 -7
(5+3)2/2-7
(8)2/2-7
64/2-7
32-7
25
Write an expression that shows 6 less than the quotient of 9 and y
9÷y - 6
Use the distributive property to write an expression that is equivalent to 6(a + 9)
6(a + 9) = 6a + 54
Solve for y.
y + 3.7 = 9
y = 5.3
For which of the following inequalities can x = 3 be a possible solution? Select all that apply.
a. x + 2 ≤ 10
b. x -1 ≥ 2
c. 12 < x
d. 15 > x + 4
a. x + 2 ≤ 10
b. x -1 ≥ 2
d. 15 > x + 4
Evaluate if x = 3 and y = 4
2x + 3y - 5
2x + 3y – 5
2(3) + 3(4) – 5
6 + 12 – 5
13
Write an equation to show that seven times a number squared is twenty.
7n2=20
Simplify: 3a + 12 – a + b + 7
2a + b + 19
Which solution makes the equation 4v - 7 = 45 true?
a.v = 11
b.v = 13
c.v = 15
d.v = 17
b. v = 13
Draw a number line and graph this inequality:
x > 2
Open circle on 2 with line to the right
Evaluate
(5 + 2)2 – 2 ÷ 1/5
(5 + 2)2 – 2 ÷ 1/5
(7)2 - 2 ÷ 1/5
49 - 2/1 x 5/1
49 – 10
39
Robert earns $12.50 each hour, h, that he works. Write an expression to show the amount of money he earns for each hour he works.
12.50h
Simplify: 3x2 + 2x + 6 – x + 4 + x2
4x2 + x + 10
A store sells phone cases for $14 each. At the end of the week, they have sold $448 worth of phone cases. Write and solve an equation to show how many phone cases they sold this week.
14p=448 or 448/14 = p
p = 32
A bank sends it’s customers a notice any time their balance drops below $15. Write and graph an inequality to represent the amount, a, that must be in an account in order for the bank to send a notice.
x < 15
Open circle on 15 with line to the left
Evaluate if r=5, s=2, t=12
(4r+ t2)/s-rs
(4(5)+ 122)/2-(5)(2)
(20+144)/2-(5)(2)
164/2-10
82 – 10
72
Lisa and her friends went to the movies. Each person bought a ticket for $8. All of the friends shared one large popcorn for $9. Write an equation to show the relationship between the number of people, p, who went to the movies and the total, t, that they spent.
8p + 9 = t
Which of the following expressions are equivalent to
12x + 30? Select all that apply.
a. 6 (2x + 30)
b. 6 (2x + 5)
c. 6 (x + 2) + 6x + 18
d. 10x + 30 + 2x
e. x (12 + 30)
b. 6 (2x + 5)
c. 6 (x + 2) + 6x + 18
d. 10x + 30 + 2x
The school is selling dance tickets at lunch. The cash box started out with $50 in it. Each person that buys a ticket, t, pays $5. At the end of lunch, the cash box has $360 in it. Write and solve an equation to determine how many tickets, t, were sold.
50 + 5t = 360
5t = 310
t = 62
Kaitlin’s band teacher requires her to practice 10 hours or more each week. She has already practiced for 3 hours. Write and graph an inequality to show how many hours, h, Kaitlin still needs to practice this week.
3 + h ≥ 10
h ≥ 7
Closed circle on 7 with line to the right