Scale Factor
The _____________ is the number that describes how much a shape is enlarged or reduced.
If the scale factor is greater than 1, the image is an ____________.
If the scale factor is between 0 and 1, the image is a ____________.
The formula is ________ divided by __________
scale factor
enlargement
reduction
New divided by original
Difference between continuous and discrete data?
continuous data can take any value within a range, while discrete data can only take specific, distinct values. Connect the points for continuous... don't connect for discrete
Identify the degree of the polynomial: 6x3−4x2+x−16
what is 3
Name 3 different types of bank accounts
low-interest savings account, high-interest savings account, chequing account
What is a rational number?
any number that can be expressed as a fraction a/b
Two similar rectangles have side lengths of 4 cm and 10 cm in the smaller rectangle. The corresponding side lengths in the larger rectangle are 8 cm and 20 cm.
What is the scale factor from the smaller rectangle to the larger one?
identify the slope and y-intercept of the following line: y= -4x - 6
slope: -4
y-int: -6
What are the 2 ways to classify polynomials
degree and number of terms
Calculate simple interest: $1000 at 4% for 2 years.
What is $80
write as a single power:
(52 x 58) / (53)2
54
A 1.5-meter-tall student casts a shadow that is 2 meters long. At the same time, a tree casts a shadow that is 10 meters long. Assuming the sun's rays create similar triangles, how tall is the tree?
7.5 metres
Name one equation that would result in a vertical line.
x = any number
The name for the number multiplying the variable in a term of a polynomial?
Bonus 100 points for naming the number multiplying the variable with the highest degree?
What is a coefficient.
What is leading coefficient
You invest $1200 at 5% annual interest for 3 years. What is the total balance?
What is $1380
is 0.3 repeating a rational number, explain.
yes because it can be written as 1/3
A map scale is 1:200,000. If two cities are 6 cm apart on the map, how far are they in real life?
what is 1,200,000 cm or 12km
2 possible outcomes that could occur when solving an equation where the solution is not a specific number.
What is no solution and infinite solutions
3 examples of non-polynomials
variable in denominator, variable under square root, variable with an exponent that is not a postive whole number.
a sampling method that divides a population into subgroups based on shared characteristics (like age, gender, or income) and then randomly selects individuals from each subgroup.
What is stratified sampling
Name/describe 5 exponent laws
product rule
quotient rule
power of power
power of product
power of quotient
zero power law
If a shape is enlarged by a scale factor of 3, its area increases by a factor of...
What is 9
The slope of a horizontal line
what is 0
Chris is 2 years older than Tom. The product of their ages is 574 more than the sum of their ages. How old is Tom?
Tom is 24
A sampling method where every 'nth' person is selected.
What is systematic sampling
A rational number multiplied by its reciprocal always equals this.
what is 1