Math 1
What is slope intercept formula?
y=mx+b
What is 1,00000
1
How can you determine if a table is proportional?
divide the "y" value by the "x" value
x2=81
x=9
All the angles in a triangle should add up to what degrees?
180 degrees
What are the 4 types of transformations?
Translations (slide), Reflections (flip), Rotations (turn), and Dilations (grow/shrink)
y=mx+b, what part of the formula is the slope?
m
Write the number below in standard notation
.000452
4.52 x 10-4
True or false: a graph is proportional if the graph is positive
true
What is the square root of 49?
7
What is the formula to calculate compound interest?
A=P(1+r)t
What is the slope of y=7x+12
7
What is another name for slope?
Rate of change, unit rate, m, constant of proportionality
Write 5.76 x 104 in standard form
57,600
The opposite of squaring a number is taking the...
Square root
To determine if something is a function do we have to see if the x values or y values repeat?
x values
What is the value of x when you have a hypotenuse of 19.7, and a side length of 18.
8
Simplify:23
8
What is another name for the y-intercept?
Starting point, fee
On a graph, how can you determine if graph is proportional?
the line goes thru the origin
An irrational number is a number that...
never ends (terminates) AND never repeats
How can you determine that a table is proportional if the table does not have (0,0)?
See if the change in y and change of x is the same
In dilations, "k" means...
scale factor
What transformation does not preserve it's congruence?
dilation
What is the y-intercept of the line?
2
What does the B in the formula V=Bh stand for?
area of the base
What does the P stand for in the formula, S=Ph? How doe you calculate?
perimeter (add all the side)
When you see the word varies directly, what does it mean?
proportional
What is the length of the hypotenuse when the legs are 3 and 4
a2+ b2 = c2
32 + 42 = c2
9 + 16 =25
c = 5
If you have the point (5,4) and it is rotated 90o counterclockwise, what will the new point be located?
(-4,5)