Expressions
Evaluate the following expression using the order of operations.
27 - 2(42)
-5
Solve for the variable:
7m = 28
m = 4
Write the ratio in simplest form:
16 chaperones to 48 students
1/3
What quadrant is the coordinate, (5, -8) in?
Q 4 (or Q IV)
If one letter from the word, "SUMMER" is chosen at random, what is the probability of choosing a vowel?
Leave your answer as a fraction.
1/3
43+36 / (3+1)(2)
12.5
Solve for the variable:
r/-4 = -13
r = 52
Express the following ratio as a unit rate:
175 students in 5 classes
35 students/class
If you are given two ordered pairs, (x,y) & (x,y), how would you calculate the slope?
(What is the formula that you would use?)
m = y2-y1 / x2-x1
If you choose one number from 1-20, what is the probability of choosing: a multiple of 3 and greater than 10?
Leave your answer as a fraction.
3/20
a2-7ab+b2
(if a= 4 & b= -3)
109
Translate & Solve:"the quotient of a number and -4 is 15"
-60
Express the rate as a unit price:
16oz chips for $4.95
$0.31/oz
Write the equation of a line, that has a slope of 5 and a y-intercept of -2
y = 5x -2
What is the mean of the following data set?:
20, 25, 23, 35, 42
29
Translate the expression:
"11 less than the quotient of a number and 8"
(n/8) - 11
Translate & Solve:
"a number divided by 5 is -13"
-65
Which is the better deal?
A: 15 pizzas for $195
B: 10 pizzas for $120
B
What is the slope of the equation: y=x+6 ?
What is the median of the data set?:
20, 25, 23, 35, 42
25
Simplify by distributing & combining like terms:
4(3x+2)-2(9x-7)
-6x + 22
(a+5)/-4 = -3
a = 7
Express as a unit rate:
28 and 1/3 minutes to run 3 and 1/3 miles
8.5 mins/mile
After plotting the y-intercept (b), how would you plot the next point, given it has a slope of 3/4?
(from the y-intercept)
- go up 3 units
- then, "over" (right) 4 units
What is the greatest measure (mean, median, mode or range) of the given data set?
22, 8, 34, 19, 42, 15, 19, 23, 26
Range (= 34)