Exponents/
Scientific Notations
Scientific Notations
33 really means...
3 times 3 times 3
What is it called when you graph a bunch of data points but they do not fall in a perfect line?
Scatterplot
What is a function?
A set of inputs and outputs where every input has exactly one output.
What is the format of an equation for a linear equation and what is the slope formula?
y=mx+b
y2-y1/x2-x1
Which transformations lead to congruent figures? Which transformations lead to similar figures?
Congruent - translation, rotation, reflection
Similar - dilation
42 x 43 in exponent form is...
45
The line that best describes the association of the data on a scatterplot is called a...
Line of Best Fit
(-1, 3), (0, y), (1, 7), (2, 9)
What value of y would make this a function?
y=5
What is the slope and y-intercept of this function: y=13-x
m = -1 or -1/1
b = 13
Describe the transformation that has occurred:
y=4x+1
y=2(2x-3)
Translation of 5 units down
.000127 in scientific notation is...
1.27 x 10-4
If the questions reads "the percent of women who like baseball," what group is the "whole" and what group is the "part"?
Whole = total women
Part = total women who like baseball
What is the missing value in (2, y) when our function is y=1/2x-4?
-3
It starts raining today and the rain accumulates 3 inches every hour. Is this a proportional or non-proportional relationship? Why?
Proportional - at 0 hours, there is 0 inches of rain
What is one way you can have the image of a figure map back onto itself?
Rotate 360
Rotate 180, reflect over x axis, reflect over y axis
350,000 in scientific notation is...
3.5 x 105
Describe a scatterplot that has no association
Points are everywhere, no pattern
If a graph is in the form of a sideways "U," is that a function? Why or why not?
No, it does not pass the vertical line test
Ava paid a gym membership fee of $20 and has to pay $5 per month for the rest of the year. Write an equation and determine the number of months it takes her to spend $50?
y=5x+20
6 months
Point A in a triangle is at (3, 6). Point A' is at (1, 2). What transformation was performed?
A dilation of 1/3
x2 multiplied by (x4)3 is...
x14
There are 90 people in total. 45 women and 45 men. 20 women like baseball, 25 women do not like baseball, 35 men like baseball, and 10 men do not like baseball. What percentage of men do not like baseball? Round to the nearest percent.
39%
Is the function y=x(x-1) linear or nonlinear? Why?
Nonlinear, x is raised to the second power
There is a snowstorm and 60 inches of snow cover the ground. The next day, it gets warmer and the snow starts to melt 1 inch every two hours. How many days does it take for there to be 1 foot of snow left?
4 days
Point A on a rectangle is at (4, 8). The rectangle goes through the following series of transformations: translate 2 left, reflection over the y-axis, and a dilation with a scale factor of 2 around the origin. Where is Point A'?
(-4, 16)