Working with numbers and powers
0.6 as a fraction in simplest form
3/5
How many terms are there in 5x^3 + 3x^2 + 8x + 12
4
Box plot
A box plot is a visual way of recording a set of data values
is y = 2x + 4 linear or non linear
linear
Determine the perimeter of a 7x4 rectangle
P = 2l + 2w
= 2(7) + 2(4)
= 22
Felicia earns $65.12 in 3 hours. What is her hourly wage? How much does she make in 30 hours
21.70/hour and makes $651 in 30 hours
solve for x
2x = 10 + 8
x = 9
Mean, median, and mode of:
9, 12, 7, 14, 7, 18, 14, 9, 15, 14
Mean: 11.9 or 12
Median: 13
Mode: 14
Line of best fit
a straight line that comes closest to the points on a scatter plot of linear relation
Find the area and perimeter of the composite figure (MJ will draw it on the board)
P = 72
A = 243
Rewrite as a single operation then evaluate: 8 – (+1)
8-1 = 7
Simplify (4x + 3) + (7x - 5)
11x - 2
Mia, Nathan, Jeremy, Kayla, and Sean walked around their neighbourhoods and counted the number of cars they saw. Mia:175, Kayla:230, Nathan:209, Sean:168, Jeremy:198. Find the mean, median, and mode of this data.
Mean: 196
Median: 198
Mode: none
−1/2
Find angle x (MJ will draw on board)
125
Convert 0.006547 to scientific notation
6.547 x 10^-3
Expand and Simplify x(x + 2 + b)
x^2 + 2x + xb
Types of correlation
positive, negative, no correlation
Direct Variation
Line passes through the origin where y = mx and initial value is 0
An isosceles triangle has a 90 degree angle. What are the other angles?
45
The temperature this morning was 54°F at 8:00 this morning. If the temperature increased 4°F per hour, what is the temperature at 12 pm? Write an expression to represent the problem, then solve.
Expression: 54 + 4h
Solved: 70°F
The mass of a banana plus it's peel is 360g. The mass of the banana is 4 times the mass of the peel. What is the mass of the peel?
m = p + 4p
360 = p + 4p
72 = p
Peel is 72g
Quartile
Split a data set into 4 equal parts
Find slope, y intercept, and equation (MJ will write on board)
Slope: − 3
Y−int: −2
Equation: y = −3x − 2
Determine volume of shape (MJ will draw on board)
4271.0 in^3