Expressions
Simplify the following expression:
(4x-7)+(3x+9)
7x+2
What is the constant in the equation below?
3x - 5 = 10
-5
What is the inequality symbol below?
>
greater than
Do each pair of ratios form a proportion? 2/3 and 6/9
Yes. (18 = 18)
Write the ratio as a fraction in simplest form: 8 to 30
What is 4/15
Simplify the following expression:
1/2 ( x + 6)
1/2x + 3
Solve the equation:
2x - 10 = 16
x = 13
What do you need to do with an inequality symbol when you multiply or divide a negative?
Flip the inequality symbol
Do the ratios form proportions? 5/4 and 25/16
No (80;100)
write the ratios of vowels to consonants in the words "Wind Gap"
2/5
Simplify the following expression:
(3x-4) - (2x -9)
x+5
Solve the equation:
-4 (x - 3) = 20
x = -2
Solve the inequality below:
3x + 2 < 14
x < 4
n/12 = 6/18
What is n = 4
Write the ratio as a fraction in simplest form: 66 inches to 72 inches
11/12
Simplify the following expression:
(3x - 10) + (3x + 12)
6x + 2
Solve the equation:
2/3x + 7 = 19
x = 18
Solve the inequality below:
-3x + 7 ≤ 10
x ≥ -1
30/14 = k/1.54
K=3.3
There are 240 students in 7th grade. If 80 of the students are girls, write the ratio of girls to boys in 7th grade.
1:2
What expressions represent getting 30% more of an item?
A. 0.7x
B. x + 0.3x
C. x + 0.7x
D. 1.3x
E. x(1+0.3)
B, D, and E
Ethan bought 4 stickers and $1.75 keychain. If he spent a total of $9.75, how much did each sticker cost?
Write an equation that represents the scenario.
4x + 1.75 = 9.75
You open a bank account and deposit 1,000 dollars. It is the end of the month and you need to withdraw $15 a week for the next 5 weeks. You don’t want your account to fall below $50.
Will your bank account survive at the end of the month?
Yes it will survive
Annie bought 3 bags of special candy for $1.20. How much do 8 bags of candy cost?
$3.20
Write the ratio as a fraction in simplest form 30 seconds to 5 minutes
6:1