Slope
What is the slope between these two points (2, 3) and (-6, 7)?
-1/2 or -0.5
What kind of transformation does not preserve congruence?
dilations
What does proportional mean?
goes through the origin
What is the base of a cylinder?
circle
How do you find slope on desmos?
plus then table then plot points
What is the y-intercept of a line with these two points?
(4, 3) and (2,6)
9
What kind of dilation make an image smaller?
reduction
y-intercept
How do you find the area of a triangle?
bh*1/2 or (bh)/2
What does desmos not like you to use?
=
Jalen works at a part-time job. He already has $25 saved. He gets paid $15 every hour. If y is a function of x, what is the equation for this situation?
y = 15x+ 25
(8, 2) changes to (4,1) what is the scale factor?
the scale factor is 1/2
What is another word for proportional line?
direct variation
What is the volume of a cylinder with a radius of 3 and a height of 10?
282.74
What does desmos give you?
The equation, the slope and the y-intercept
Jalen works at a part-time job. He already has $25 saved. He gets paid $15 every hour. If y is a function of x, how many hours until he reaches his goal of saving 625?
40 hours
(3,4) changes to (8, 2), what is the rule for this change?
(x +5, y -2)
What is the equation for a line that goes through (2,4) and (4, 8)
y = 2x
What is the difference between lateral surface area and total surface area?
Lateral surface does not include the bases and total surface area includes the bases.
What are the variables desmos does not like?
x and y