What is the name of the formula used to solve an oblique triangles if given all 3 sides?
Cosine Law
What is the probability calculated by doing an experiment and observing the outcomes called?
If a parabola opens up, does it have a max or min value?
minimum
Expand and simplify.
(3x+1)(2x-5)
6x^2-13x-5
What is the range of the data set:
21, 83, 15, 77, 80, 35, 56
65
Simplify.
3^5/3^2
3^3=27
What is the value of 'n' if interest is compounded weekly?
52
Solve for the missing angle. Round to the nearest whole number.
52 degrees
You put 10 cookies in a bag. Three are sugar cookies, five are chocolate chip, and two are peanut butter. What is the probability of choosing a peanut butter cookie?
1/5=0.2=20%
What is the direction of opening for the parabola
y=2(x+3)^2-9
opens up
second differences
What is the mean, median, and mode of the data set?
4, 8, 11, 10, 8, 7, 1
mean = 7
median = 8
mode = 8
Simplify.
4^8*4^2-:4^6
4^4=256
What is the value of t in the following scenario:
Amanda puts $3000 in an account earning 8.5% simple interest for 60 months.
t=5
Find the value of x. Round to one decimal.

x=15.9
A card is selected from a deck. What is the probability of choosing a red spade?
0
What is the vertex of the parabola with equation
y=-2(x+6)^2-5
(-6, -5)
What are the x-intercepts of the parabola
y=(x-3)(x+6)
x=3 and x=-6
What type of distribution does the following data represent?
Bimodal
Write as a positive exponent.
5^-3
1/5^3=1/125
How much money will you have if $5000 is invested for 3 years, at 4% per year, compounded semi-annually?
$5630.81
Determine the value of side AC. Round to one decimal place.

b=8.1 cm
4 out of 10 students recommend taking senior level sciences in high school. What percent of students do not recommend taking senior level sciences?
60%
What is the vertex of the parabola with equation
y=-2x^2+7
(0, 7)
Factor
x^2+7x+10
(x+5)(x+2)
What type of bias does the following scenario represent:
Ms. Polsinelli asks her class what their favourite subject is but only 2 out of 23 students respond.
Non response bias
Simplify.
(3^3/3^5)^3
1/3^6=1/729
Teresa deposits 15000 in an account earning 7% interest, compounded quarterly. In 5 years, how much interest will Teresa have earned?
$6221.67
Solve for the missing angle.
103.9 degrees
Two dice are rolled. What is the probability of rolling a sum of 5 or higher?
30/36=5/6=0.83=83%
List the transformations applied to the graph
y=-3(x-1)^2-8
opens down (reflection in the x axis)
vertical stretch
shifted 1 unit right
shifted 8 units down
The area of a rectangle can be represented by the equation below. Find the dimensions by factoring the area.
A=x^2+13x-30
l=x+15, w=x-2
What type of bias does the following scenario represent?
A CFL team hands out a survey at a home game. The survey asks: Should the provincial and federal governments help build a new stadium and save the team from being relocated?
Response Bias
A car purchased for $50 000 depreciates by 20% each year. This can be represented by the relation
V=50000(0.8)^t
where V is the value of the car in dollars and t is the time in years. Find the value of the car after 3 years.
$16384
Matteo invests $5000 in an account earning simple interest at a rate of 5%. At the end of the investment period, he has $7500 in total. How long was the money invested for?
10 years