Scale Drawings, Similarity, and Slope
If the side lengths of a square are 2 and dilated by 2 what is the new side length?
4
What is a Variable?
A letter used to stand for a number
Which system of equations is demonstrated below y=4x-3
- y=-1x-8
elimination
What is the formula of the volume of a cube?
What is the Pythagorean theory formula?
a2+b2=c2
What is the steepness of a hill called?
slope
How many solutions does this equation have? -4x=-12
One solution
What is a relationship between two variable where their ratios are equivalent?
Proportional Relationship
What is the formula of the volume of a rectangular prism?
Lxwxh
What must a right triangle contain?
90 degree angle
Triangle ABC, A has a side length of 2in. the new triangle is dilated by 4 what would A' side length be?
8in.
What is the answer to there like terms? 14a+16a
30a
What is the slope of: y=3x-7
3
What is the formula of the volume of a sphere?
4/3x3.14xr3
What is a hypotenuse?
The longest side of a right triangle
What describes the size of an enlargement or reduction?
Scale factor
What is the hanger methods?
To think about the steps to finding a unknown amount
The amount of gas we put in our car and the money we have to pay. Is this a proportional relationship
Yes, this is a proportional relationship
What is the formula of the volume of a cone?
1/3x3.14xr2xh
A right triangle has a 9cm leg and a 15cm hypotenuse, what is the other leg?
12cm
The y intercept is -3 and the slope is 4 what would the equation be?
y=4x-3
How many steps does the following equation have? 5+14a=9a-5
Three steps
How do you find slope?
The slope equals the rise divided by the run.
What is the formula of the volume of a cylinder?
3.14xr2xh
A right angle has the legs of 12cm and 9cm what is the hypotenuse?
15cm