Real Numbers (Unit 1)
Is this rational or irrational
3/4
Rational
Combine like terms
2x+3x+5x = 10 - 5 + 11
10x = 16
Slope is positive
It is increasing
What is a scatter plot?
a way to show data using points
How many solutions are there
y= 3x -4
y= 2x - 13
One
Is this rational or irrational
3.333333..... forever and ever
Rational
Solve for x
4x = 2x + 24
12
Sketch this graph:
I throw a baseball as high as I possibly can. The ball gets stuck in a hot air balloon that then very slowly goes back down to the ground
Graph would be a super quick increase followed by a very slow decrease
What is a cluster?
A group of points together
How many solutions?
y=2x - 10
y = 2x + 5
Zero
3.18 x 105 is an example of what?
Scientific Notation
What is the slope of the line with the equation
y=3/4x + 6
3/4
Is this a function
(0,1) (0,3) (1,2) (1,6)
No
What is the name of the line that you draw through the scatter plot?
Line of best fit
How many solutions are there?
2x - 3y = 10
y = -2/3x + 10
One Solution
34 x 38 = ?
312
Solve for x
2(3x-6) + 19 = 3x + 28
7
x y
1 10
2 15
3 20
Yes
What is a two way frequency table?
A table that shows us specific categories and how people answered them
Double Points question!
solve for x and y
y= 4x - 10
y = 2 x + 6
(8,22)
What is 0.151515... as a fraction?
5/33
Describe these things in your own words
Slope
y-intercept
x and y axis
Slope: how steep the line is (rise over run)
y-intercept: where the line crosses the y axis
y-axis: Vertical Axis
x-axis: Horizontal Axis
What is the slope of the previous function?
5
What is 2/5 as a percentage?
40%
Final Jeopardy:
Wager how ever many points you want but it can not be more points then you already have. This can be about any unit