Expressions and Equations
Evaluate this expression when n = -5
(4n2 - n)
105
How much for 1 apple if 2 apples cost $8?
$4
Evaluate.
(1.2)2
1.44
What are rational numbers?
Any number that can be written as a fraction a/b
What is seven more than -21?
-14
8n - 28 = 108
n = 17
Solve for m.
4(12m - 8) - 11 = -715
m = -14
What is 3.50?
1
How can we write 6/16 as a decimal?
0.375
James drove for 72 miles on Monday. Sally ran 1/3 of the miles that James drove. How many miles did Sally run?
24
3 shorts for $12.85 each and 4 hats for $9.50 each. What is the total cost for everything?
$76.55
The length of a rectangle is 8cm and the height is 4cm. If I times both by 2. What will be the new area of the rectanlge?
128cm2
Leave answer in exponential form.
42 ∙ 4-3 ∙ 45
44
Solve.
(-45) - 28 - (-89)
16
The point where the x and y axis meet is called the....?
origin.
Evaluate when h = 3
5h + 6h ∙ 12
2,607
If i bake 18 cookies in 32 minutes, how long would it take to bake 27 cookies?
48 minutes
Leave your answer with positive exponents.
27 x 4-2 x 2-2 x 9
18
(3/5)2 ÷ 3/4 =
12/25
Solve if a = 9 and b = -7
12b - 5a · a - b
-482
Twenty-eight times fifteen is 9 less than what number?
429
It takes 12 minutes to walk 0.8km. How long would it take to walk 2.8km?
42 minutes
Evaluate when n = -3
3n ∙ 5n ∙ 13,500
4
What is the square root of 256?
16
Max has $374 in the bank. If he takes out $26 a week, how many weeks will it take for him to only have $10 in the bank?
14 weeks