Proportional Relationships
A Ratio is
What is the relationship in quantity, amount, or size between two or more things
The area of a circle
what is A= pir2
What is 35% of 100
What is 35?
Solve the following -3+-4-2
What is -9?
the area of a rectangle
what is A = L*W
A unit rate is
What is how much of something per 1 unit of something else?
or
what is a/b
The perimeter of a circle
what is P=2rpi or P=dpi
What is the different between a percent increase and percent decrease?
What is
Percent increase = new value is larger than the original value.
Percent decrease = new value is smaller than the original value.
When multiplying or dividing a two negative numbers the result will be
What is Positive?
PEMDAS
What is order of operations?
A proportional relationship is
What is another term to describe how two values that change are related when there is a constant ratio between them?
or
What is a/b = c/d
A straight line from the center to the circumference of a circle or sphere.
What is the radius?
Adding tax or tip to your bill
What is percent increase?
When multiplying or dividing a negative number by a positive number the result will be
What is negative?
3.14 is
What is Pi?
Constant of proportionality is
What is k = y/x
or
What is the constant ratio between two proportional quantities y/x denoted by the symbol k, which may be a positive rational number?
If a circle had a radius of 60 cm what is the diameter?
What is 60cm*2 = 120cm
A store credit is an example of
What is percent decrease
Solve the following 2 ⋅ 5 ⋅ -3
What is - 30?
5 squared
What is 25?
A proportional relationship make what kind of graph?
What is a straight line through the origin?
If a circle had a diameter of 10 what is the area in terms of pie?
What is 25pi?
1.2(0.3x)= 100 means
What is a 70% decrease than a 120% increase?
The population of a mining town is 40,000. The mine closes, and 150 people leave the town each month. Wrote and equation that correctly gives the number of people remaining in the town after three years.
What is = 40,00 people - 36 months ⋅ 150 people / month.
If there are 25 students in your class, but three students are absent, how many students are in the class that day?
What is 22 students?